652257 has 18 divisors (see below), whose sum is σ = 992082. Its totient is φ = 412896.

The previous prime is 652243. The next prime is 652261. The reversal of 652257 is 752256.

652257 is a `hidden beast` number, since 652 + 2 + 5 + 7 = 666.

652257 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in only one way, i.e., 576081 + 76176 = 759^2 + 276^2 .

It is not a de Polignac number, because 652257 - 2⁴ = 652241 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 652257.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 652257.

It is not an unprimeable number, because it can be changed into a prime (652207) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4693 + ... + 4829.

2⁶⁵²²⁵⁷ is an apocalyptic number.

It is an amenable number.

652257 is a deficient number, since it is larger than the sum of its proper divisors (339825).

652257 is a wasteful number, since it uses less digits than its factorization.

652257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 163 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 652257 is about 807.6242938397. The cubic root of 652257 is about 86.7240563347.

Subtracting 652257 from its reverse (752256), we obtain a palindrome (99999).

It can be divided in two parts, 652 and 257, that added together give a palindrome (909).

The spelling of 652257 in words is "six hundred fifty-two thousand, two hundred fifty-seven".