652173865 has 16 divisors (see below), whose sum is σ = 895242240. Its totient is φ = 446788800.

The previous prime is 652173859. The next prime is 652173871. The reversal of 652173865 is 568371256.

It is an interprime number because it is at equal distance from previous prime (652173859) and next prime (652173871).

It is not a de Polignac number, because 652173865 - 2¹⁷ = 652042793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32191 + ... + 48379.

It is an arithmetic number, because the mean of its divisors is an integer number (55952640).

Almost surely, 2^652173865 is an apocalyptic number.

It is an amenable number.

652173865 is a deficient number, since it is larger than the sum of its proper divisors (243068375).

652173865 is a wasteful number, since it uses less digits than its factorization.

652173865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17352.

The product of its digits is 302400, while the sum is 43.

The square root of 652173865 is about 25537.6949821240. The cubic root of 652173865 is about 867.2037163637.

The spelling of 652173865 in words is "six hundred fifty-two million, one hundred seventy-three thousand, eight hundred sixty-five".