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1451532013 is a prime number
BaseRepresentation
bin101011010000100…
…1001111011101101
310202011022110120221
41112201021323231
510433043011023
6400011211341
750653550521
oct12641117355
93664273527
101451532013
11685396538
12346146b51
131a19522a9
14daac7d81
158767385d
hex56849eed

1451532013 has 2 divisors, whose sum is σ = 1451532014. Its totient is φ = 1451532012.

The previous prime is 1451531993. The next prime is 1451532031. The reversal of 1451532013 is 3102351541.

It is a happy number.

Together with next prime (1451532031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1194186249 + 257345764 = 34557^2 + 16042^2 .

It is an emirp because it is prime and its reverse (3102351541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1451532013 - 217 = 1451400941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1451532053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725766006 + 725766007.

It is an arithmetic number, because the mean of its divisors is an integer number (725766007).

Almost surely, 21451532013 is an apocalyptic number.

It is an amenable number.

1451532013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451532013 is an equidigital number, since it uses as much as digits as its factorization.

1451532013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1451532013 is about 38098.9765348100. The cubic root of 1451532013 is about 1132.2496788155.

Adding to 1451532013 its reverse (3102351541), we get a palindrome (4553883554).

The spelling of 1451532013 in words is "one billion, four hundred fifty-one million, five hundred thirty-two thousand, thirteen".