652931 has 2 divisors, whose sum is σ = 652932. Its totient is φ = 652930.

The previous prime is 652921. The next prime is 652933. The reversal of 652931 is 139256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652931 - 2¹⁴ = 636547 is a prime.

It is a super-2 number, since 2×652931² = 852637781522, which contains 22 as substring.

Together with 652933, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 652931.

It is not a weakly prime, because it can be changed into another prime (652933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326465 + 326466.

It is an arithmetic number, because the mean of its divisors is an integer number (326466).

2⁶⁵²⁹³¹ is an apocalyptic number.

652931 is a deficient number, since it is larger than the sum of its proper divisors (1).

652931 is an equidigital number, since it uses as much as digits as its factorization.

652931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 26.

The square root of 652931 is about 808.0414593324. The cubic root of 652931 is about 86.7539177196.

The spelling of 652931 in words is "six hundred fifty-two thousand, nine hundred thirty-one".