52430971 has 2 divisors, whose sum is σ = 52430972. Its totient is φ = 52430970.

The previous prime is 52430909. The next prime is 52430981. The reversal of 52430971 is 17903425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52430971 - 2¹⁷ = 52299899 is a prime.

It is not a weakly prime, because it can be changed into another prime (52430981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26215485 + 26215486.

It is an arithmetic number, because the mean of its divisors is an integer number (26215486).

Almost surely, 2^52430971 is an apocalyptic number.

52430971 is a deficient number, since it is larger than the sum of its proper divisors (1).

52430971 is an equidigital number, since it uses as much as digits as its factorization.

52430971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 52430971 is about 7240.9233527224. The cubic root of 52430971 is about 374.2794364702.

The spelling of 52430971 in words is "fifty-two million, four hundred thirty thousand, nine hundred seventy-one".