86252905 has 4 divisors (see below), whose sum is σ = 103503492. Its totient is φ = 69002320.

The previous prime is 86252863. The next prime is 86252977. The reversal of 86252905 is 50925268.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46676224 + 39576681 = 6832^2 + 6291^2 .

It is not a de Polignac number, because 86252905 - 2²⁵ = 52698473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8625286 + ... + 8625295.

It is an arithmetic number, because the mean of its divisors is an integer number (25875873).

Almost surely, 2^86252905 is an apocalyptic number.

It is an amenable number.

86252905 is a deficient number, since it is larger than the sum of its proper divisors (17250587).

86252905 is a wasteful number, since it uses less digits than its factorization.

86252905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17250586.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 86252905 is about 9287.2442091290. The cubic root of 86252905 is about 441.8327564886.

The spelling of 86252905 in words is "eighty-six million, two hundred fifty-two thousand, nine hundred five".