Search a number
-
+
1513361 is a prime number
BaseRepresentation
bin101110001011110010001
32211212221102
411301132101
5341411421
652234145
715602063
oct5613621
92755842
101513361
11944013
1260b955
1340caa5
142b5733
151ed60b
hex171791

1513361 has 2 divisors, whose sum is σ = 1513362. Its totient is φ = 1513360.

The previous prime is 1513321. The next prime is 1513367. The reversal of 1513361 is 1633151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 801025 + 712336 = 895^2 + 844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1513361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1513367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756680 + 756681.

It is an arithmetic number, because the mean of its divisors is an integer number (756681).

21513361 is an apocalyptic number.

It is an amenable number.

1513361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513361 is an equidigital number, since it uses as much as digits as its factorization.

1513361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270, while the sum is 20.

The square root of 1513361 is about 1230.1873841005. The cubic root of 1513361 is about 114.8102984606.

The spelling of 1513361 in words is "one million, five hundred thirteen thousand, three hundred sixty-one".