102064525 has 12 divisors (see below), whose sum is σ = 126888084. Its totient is φ = 81440000.

The previous prime is 102064511. The next prime is 102064531. The reversal of 102064525 is 525460201.

It can be written as a sum of positive squares in 6 ways, for example, as 6240004 + 95824521 = 2498^2 + 9789^2 .

It is not a de Polignac number, because 102064525 - 2⁷ = 102064397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102064525.

It is a congruent number.

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, 4935 + ... + 15115.

It is an arithmetic number, because the mean of its divisors is an integer number (10574007).

Almost surely, 2^102064525 is an apocalyptic number.

It is an amenable number.

102064525 is a deficient number, since it is larger than the sum of its proper divisors (24823559).

102064525 is a wasteful number, since it uses less digits than its factorization.

102064525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10592 (or 10587 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 102064525 is about 10102.6988968295. The cubic root of 102064525 is about 467.3313756006.

The spelling of 102064525 in words is "one hundred two million, sixty-four thousand, five hundred twenty-five".