86252565 has 32 divisors (see below), whose sum is σ = 158146560. Its totient is φ = 39322944.

The previous prime is 86252557. The next prime is 86252603. The reversal of 86252565 is 56525268.

It is a happy number.

It is not a de Polignac number, because 86252565 - 2³ = 86252557 is a prime.

It is a super-3 number, since 3×86252565³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48156 + ... + 49914.

It is an arithmetic number, because the mean of its divisors is an integer number (4942080).

Almost surely, 2^86252565 is an apocalyptic number.

It is an amenable number.

86252565 is a deficient number, since it is larger than the sum of its proper divisors (71893995).

86252565 is a wasteful number, since it uses less digits than its factorization.

86252565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241.

The product of its digits is 144000, while the sum is 39.

The square root of 86252565 is about 9287.2259044345. The cubic root of 86252565 is about 441.8321759349.

The spelling of 86252565 in words is "eighty-six million, two hundred fifty-two thousand, five hundred sixty-five".