86485725 has 30 divisors (see below), whose sum is σ = 160205210. Its totient is φ = 46124640.

The previous prime is 86485699. The next prime is 86485733. The reversal of 86485725 is 52758468.

It can be written as a sum of positive squares in 3 ways, for example, as 1052676 + 85433049 = 1026^2 + 9243^2 .

It is not a de Polignac number, because 86485725 - 2¹³ = 86477533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 29 ways as a sum of consecutive naturals, for example, 19330 + ... + 23379.

Almost surely, 2^86485725 is an apocalyptic number.

It is an amenable number.

86485725 is a deficient number, since it is larger than the sum of its proper divisors (73719485).

86485725 is a wasteful number, since it uses less digits than its factorization.

86485725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42731 (or 42717 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 86485725 is about 9299.7701584502. The cubic root of 86485725 is about 442.2299415077.

The spelling of 86485725 in words is "eighty-six million, four hundred eighty-five thousand, seven hundred twenty-five".