102502025 has 12 divisors (see below), whose sum is σ = 130538892. Its totient is φ = 79784640.

The previous prime is 102502013. The next prime is 102502033. The reversal of 102502025 is 520205201.

It can be written as a sum of positive squares in 6 ways, for example, as 26896 + 102475129 = 164^2 + 10123^2 .

It is not a de Polignac number, because 102502025 - 2¹⁰ = 102501001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102501994 and 102502012.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 54482 + ... + 56331.

It is an arithmetic number, because the mean of its divisors is an integer number (10878241).

Almost surely, 2^102502025 is an apocalyptic number.

It is an amenable number.

102502025 is a deficient number, since it is larger than the sum of its proper divisors (28036867).

102502025 is a wasteful number, since it uses less digits than its factorization.

102502025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110860 (or 110855 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 102502025 is about 10124.3283727860. The cubic root of 102502025 is about 467.9981630556.

Adding to 102502025 its reverse (520205201), we get a palindrome (622707226).

The spelling of 102502025 in words is "one hundred two million, five hundred two thousand, twenty-five".