102613457 has 2 divisors, whose sum is σ = 102613458. Its totient is φ = 102613456.

The previous prime is 102613453. The next prime is 102613477. The reversal of 102613457 is 754316201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91317136 + 11296321 = 9556^2 + 3361^2 .

It is a cyclic number.

It is not a de Polignac number, because 102613457 - 2² = 102613453 is a prime.

It is not a weakly prime, because it can be changed into another prime (102613451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51306728 + 51306729.

It is an arithmetic number, because the mean of its divisors is an integer number (51306729).

Almost surely, 2^102613457 is an apocalyptic number.

It is an amenable number.

102613457 is a deficient number, since it is larger than the sum of its proper divisors (1).

102613457 is an equidigital number, since it uses as much as digits as its factorization.

102613457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 102613457 is about 10129.8300578045. The cubic root of 102613457 is about 468.1676916899.

Adding to 102613457 its reverse (754316201), we get a palindrome (856929658).

The spelling of 102613457 in words is "one hundred two million, six hundred thirteen thousand, four hundred fifty-seven".