652657 has 2 divisors, whose sum is σ = 652658. Its totient is φ = 652656.

The previous prime is 652651. The next prime is 652667. The reversal of 652657 is 756256.

652657 is nontrivially palindromic in base 7.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 646416 + 6241 = 804^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 652657 - 2¹¹ = 650609 is a prime.

It is a super-2 number, since 2×652657² = 851922319298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (652651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326328 + 326329.

It is an arithmetic number, because the mean of its divisors is an integer number (326329).

2⁶⁵²⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

652657 is a deficient number, since it is larger than the sum of its proper divisors (1).

652657 is an equidigital number, since it uses as much as digits as its factorization.

652657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 652657 is about 807.8718957855. The cubic root of 652657 is about 86.7417807049.

The spelling of 652657 in words is "six hundred fifty-two thousand, six hundred fifty-seven".