87525331 has 8 divisors (see below), whose sum is σ = 88620224. Its totient is φ = 86434560.

The previous prime is 87525323. The next prime is 87525377. The reversal of 87525331 is 13352578.

87525331 = T₇₄ + T₇₅ + ... + T₈₀₆.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87525331 - 2³ = 87525323 is a prime.

It is a super-2 number, since 2×87525331² = 15321367133319122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87525131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70486 + ... + 71716.

It is an arithmetic number, because the mean of its divisors is an integer number (11077528).

Almost surely, 2^87525331 is an apocalyptic number.

87525331 is a deficient number, since it is larger than the sum of its proper divisors (1094893).

87525331 is a wasteful number, since it uses less digits than its factorization.

87525331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061.

The product of its digits is 25200, while the sum is 34.

The square root of 87525331 is about 9355.4973678581. The cubic root of 87525331 is about 443.9948376831.

The spelling of 87525331 in words is "eighty-seven million, five hundred twenty-five thousand, three hundred thirty-one".