86512425 has 24 divisors (see below), whose sum is σ = 143532480. Its totient is φ = 45979200.

The previous prime is 86512417. The next prime is 86512429. The reversal of 86512425 is 52421568.

It is not a de Polignac number, because 86512425 - 2³ = 86512417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86512429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21471 + ... + 25179.

It is an arithmetic number, because the mean of its divisors is an integer number (5980520).

Almost surely, 2^86512425 is an apocalyptic number.

It is an amenable number.

86512425 is a deficient number, since it is larger than the sum of its proper divisors (57020055).

86512425 is a wasteful number, since it uses less digits than its factorization.

86512425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033 (or 4028 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 86512425 is about 9301.2055670219. The cubic root of 86512425 is about 442.2754454509.

The spelling of 86512425 in words is "eighty-six million, five hundred twelve thousand, four hundred twenty-five".