87250625 has 80 divisors (see below), whose sum is σ = 142454400. Its totient is φ = 52920000.

The previous prime is 87250601. The next prime is 87250637. The reversal of 87250625 is 52605278.

It is not a de Polignac number, because 87250625 - 2⁸ = 87250369 is a prime.

It is a super-2 number, since 2×87250625² = 15225343125781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2358107 + ... + 2358143.

It is an arithmetic number, because the mean of its divisors is an integer number (1780680).

Almost surely, 2^87250625 is an apocalyptic number.

It is an amenable number.

87250625 is a deficient number, since it is larger than the sum of its proper divisors (55203775).

87250625 is an equidigital number, since it uses as much as digits as its factorization.

87250625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 60 counting only the distinct ones).

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

The square root of 87250625 is about 9340.8043015578. The cubic root of 87250625 is about 443.5298451682.

The spelling of 87250625 in words is "eighty-seven million, two hundred fifty thousand, six hundred twenty-five".