102525516 has 18 divisors (see below), whose sum is σ = 259161812. Its totient is φ = 34175160.

The previous prime is 102525473. The next prime is 102525517. The reversal of 102525516 is 615525201.

102525516 is a `hidden beast` number, since 102 + 5 + 2 + 551 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×102525516² = 21022962862132512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102525516.

It is not an unprimeable number, because it can be changed into a prime (102525517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1423930 + ... + 1424001.

Almost surely, 2^102525516 is an apocalyptic number.

It is an amenable number.

102525516 is an abundant number, since it is smaller than the sum of its proper divisors (156636296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102525516 is a wasteful number, since it uses less digits than its factorization.

102525516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847941 (or 2847936 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 102525516 is about 10125.4884326634. The cubic root of 102525516 is about 468.0339116343.

It can be divided in two parts, 102525 and 516, that added together give a square (103041 = 321²).

The spelling of 102525516 in words is "one hundred two million, five hundred twenty-five thousand, five hundred sixteen".