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1230500533 is a prime number
BaseRepresentation
bin100100101010111…
…1111001010110101
310011202101220101211
41021111333022311
510010002004113
6322033521421
742331040053
oct11125771265
93152356354
101230500533
11581649299
122a4113271
13167c13232
14b95cd1d3
1573062b3d
hex4957f2b5

1230500533 has 2 divisors, whose sum is σ = 1230500534. Its totient is φ = 1230500532.

The previous prime is 1230500497. The next prime is 1230500543. The reversal of 1230500533 is 3350050321.

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., 1007237169 + 223263364 = 31737^2 + 14942^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230500533 - 217 = 1230369461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230500543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615250266 + 615250267.

It is an arithmetic number, because the mean of its divisors is an integer number (615250267).

Almost surely, 21230500533 is an apocalyptic number.

It is an amenable number.

1230500533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230500533 is an equidigital number, since it uses as much as digits as its factorization.

1230500533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 1230500533 is about 35078.4910308297. The cubic root of 1230500533 is about 1071.5865864885.

Adding to 1230500533 its reverse (3350050321), we get a palindrome (4580550854).

The spelling of 1230500533 in words is "one billion, two hundred thirty million, five hundred thousand, five hundred thirty-three".