52430831 has 2 divisors, whose sum is σ = 52430832. Its totient is φ = 52430830.

The previous prime is 52430821. The next prime is 52430857. The reversal of 52430831 is 13803425.

52430831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (52430857) can be obtained adding 52430831 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52430831 - 2⁶ = 52430767 is a prime.

It is a super-2 number, since 2×52430831² = 5497984078701122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52430831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52430801) 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, 26215415 + 26215416.

It is an arithmetic number, because the mean of its divisors is an integer number (26215416).

Almost surely, 2^52430831 is an apocalyptic number.

52430831 is a deficient number, since it is larger than the sum of its proper divisors (1).

52430831 is an equidigital number, since it uses as much as digits as its factorization.

52430831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 52430831 is about 7240.9136854405. The cubic root of 52430831 is about 374.2791033390.

The spelling of 52430831 in words is "fifty-two million, four hundred thirty thousand, eight hundred thirty-one".