102525425 has 12 divisors (see below), whose sum is σ = 133823280. Its totient is φ = 77703120.

The previous prime is 102525407. The next prime is 102525431. The reversal of 102525425 is 524525201.

It is not a de Polignac number, because 102525425 - 2¹⁸ = 102263281 is a prime.

It is a super-2 number, since 2×102525425² = 21022925542861250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102525394 and 102525403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107447 + ... + 108396.

It is an arithmetic number, because the mean of its divisors is an integer number (11151940).

Almost surely, 2^102525425 is an apocalyptic number.

It is an amenable number.

102525425 is a deficient number, since it is larger than the sum of its proper divisors (31297855).

102525425 is a wasteful number, since it uses less digits than its factorization.

102525425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215872 (or 215867 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 102525425 is about 10125.4839390520. The cubic root of 102525425 is about 468.0337731611.

The spelling of 102525425 in words is "one hundred two million, five hundred twenty-five thousand, four hundred twenty-five".