52210831 has 2 divisors, whose sum is σ = 52210832. Its totient is φ = 52210830.

The previous prime is 52210819. The next prime is 52210853. The reversal of 52210831 is 13801225.

It is an a-pointer prime, because the next prime (52210853) can be obtained adding 52210831 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52210831 - 2⁵ = 52210799 is a prime.

It is a super-2 number, since 2×52210831² = 5451941747421122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52210801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26105415 + 26105416.

It is an arithmetic number, because the mean of its divisors is an integer number (26105416).

Almost surely, 2^52210831 is an apocalyptic number.

52210831 is a deficient number, since it is larger than the sum of its proper divisors (1).

52210831 is an equidigital number, since it uses as much as digits as its factorization.

52210831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 52210831 is about 7225.7062630583. The cubic root of 52210831 is about 373.7548771749.

The spelling of 52210831 in words is "fifty-two million, two hundred ten thousand, eight hundred thirty-one".