87175025 has 12 divisors (see below), whose sum is σ = 123539712. Its totient is φ = 59777040.

The previous prime is 87175003. The next prime is 87175043. The reversal of 87175025 is 52057178.

It is not a de Polignac number, because 87175025 - 2⁶ = 87174961 is a prime.

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

It is a Duffinian 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, 248897 + ... + 249246.

It is an arithmetic number, because the mean of its divisors is an integer number (10294976).

Almost surely, 2^87175025 is an apocalyptic number.

It is an amenable number.

87175025 is a deficient number, since it is larger than the sum of its proper divisors (36364687).

87175025 is a wasteful number, since it uses less digits than its factorization.

87175025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498160 (or 498155 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 87175025 is about 9336.7566638528. The cubic root of 87175025 is about 443.4017064664.

The spelling of 87175025 in words is "eighty-seven million, one hundred seventy-five thousand, twenty-five".