52431871 has 2 divisors, whose sum is σ = 52431872. Its totient is φ = 52431870.

The previous prime is 52431857. The next prime is 52431901. The reversal of 52431871 is 17813425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52431871 - 2⁹ = 52431359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52431271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26215935 + 26215936.

It is an arithmetic number, because the mean of its divisors is an integer number (26215936).

Almost surely, 2^52431871 is an apocalyptic number.

52431871 is a deficient number, since it is larger than the sum of its proper divisors (1).

52431871 is an equidigital number, since it uses as much as digits as its factorization.

52431871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 52431871 is about 7240.9854992259. The cubic root of 52431871 is about 374.2815780133.

The spelling of 52431871 in words is "fifty-two million, four hundred thirty-one thousand, eight hundred seventy-one".