52431499 has 2 divisors, whose sum is σ = 52431500. Its totient is φ = 52431498.

The previous prime is 52431433. The next prime is 52431521. The reversal of 52431499 is 99413425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52431499 - 2⁷ = 52431371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52431409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26215749 + 26215750.

It is an arithmetic number, because the mean of its divisors is an integer number (26215750).

Almost surely, 2^52431499 is an apocalyptic number.

52431499 is a deficient number, since it is larger than the sum of its proper divisors (1).

52431499 is an equidigital number, since it uses as much as digits as its factorization.

52431499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 52431499 is about 7240.9598120691. The cubic root of 52431499 is about 374.2806928451.

It can be divided in two parts, 524 and 31499, that added together give a palindrome (32023).

The spelling of 52431499 in words is "fifty-two million, four hundred thirty-one thousand, four hundred ninety-nine".