87602525 has 6 divisors (see below), whose sum is σ = 108627162. Its totient is φ = 70082000.

The previous prime is 87602519. The next prime is 87602531. The reversal of 87602525 is 52520678.

It is an interprime number because it is at equal distance from previous prime (87602519) and next prime (87602531).

It can be written as a sum of positive squares in 3 ways, for example, as 851929 + 86750596 = 923^2 + 9314^2 .

It is not a de Polignac number, because 87602525 - 2⁴ = 87602509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1752026 + ... + 1752075.

It is an arithmetic number, because the mean of its divisors is an integer number (18104527).

Almost surely, 2^87602525 is an apocalyptic number.

It is an amenable number.

87602525 is a deficient number, since it is larger than the sum of its proper divisors (21024637).

87602525 is a wasteful number, since it uses less digits than its factorization.

87602525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504111 (or 3504106 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 87602525 is about 9359.6220543353. The cubic root of 87602525 is about 444.1253281594.

The spelling of 87602525 in words is "eighty-seven million, six hundred two thousand, five hundred twenty-five".