652831 has 2 divisors, whose sum is σ = 652832. Its totient is φ = 652830.

The previous prime is 652811. The next prime is 652837. The reversal of 652831 is 138256.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652831 - 2⁹ = 652319 is a prime.

It is a super-2 number, since 2×652831² = 852376629122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6² + 5⁸ + 8⁶ + 2⁴ + 3² + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 652796 and 652805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326415 + 326416.

It is an arithmetic number, because the mean of its divisors is an integer number (326416).

2⁶⁵²⁸³¹ is an apocalyptic number.

652831 is a deficient number, since it is larger than the sum of its proper divisors (1).

652831 is an equidigital number, since it uses as much as digits as its factorization.

652831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 652831 is about 807.9795789499. The cubic root of 652831 is about 86.7494885457.

The spelling of 652831 in words is "six hundred fifty-two thousand, eight hundred thirty-one".