87538025 has 12 divisors (see below), whose sum is σ = 109857552. Its totient is φ = 69185040.

The previous prime is 87537991. The next prime is 87538027. The reversal of 87538025 is 52083578.

It is not a de Polignac number, because 87538025 - 2²⁰ = 86489449 is a prime.

It is a super-3 number, since 3×87538025³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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 87538025.

It is not an unprimeable number, because it can be changed into a prime (87538027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19019 + ... + 23168.

It is an arithmetic number, because the mean of its divisors is an integer number (9154796).

Almost surely, 2^87538025 is an apocalyptic number.

It is an amenable number.

87538025 is a deficient number, since it is larger than the sum of its proper divisors (22319527).

87538025 is a wasteful number, since it uses less digits than its factorization.

87538025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42280 (or 42275 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 87538025 is about 9356.1757679086. The cubic root of 87538025 is about 444.0163011763.

The spelling of 87538025 in words is "eighty-seven million, five hundred thirty-eight thousand, twenty-five".