102502013 has 2 divisors, whose sum is σ = 102502014. Its totient is φ = 102502012.

The previous prime is 102501913. The next prime is 102502033. The reversal of 102502013 is 310205201.

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., 101163364 + 1338649 = 10058^2 + 1157^2 .

It is a cyclic number.

It is not a de Polignac number, because 102502013 - 2⁸ = 102501757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102502033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51251006 + 51251007.

It is an arithmetic number, because the mean of its divisors is an integer number (51251007).

Almost surely, 2^102502013 is an apocalyptic number.

It is an amenable number.

102502013 is a deficient number, since it is larger than the sum of its proper divisors (1).

102502013 is an equidigital number, since it uses as much as digits as its factorization.

102502013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 102502013 is about 10124.3277801541. The cubic root of 102502013 is about 467.9981447926.

Adding to 102502013 its reverse (310205201), we get a palindrome (412707214).

The spelling of 102502013 in words is "one hundred two million, five hundred two thousand, thirteen".