972431 has 2 divisors, whose sum is σ = 972432. Its totient is φ = 972430.

The previous prime is 972427. The next prime is 972443. The reversal of 972431 is 134279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 972431 - 2² = 972427 is a prime.

It is a super-2 number, since 2×972431² = 1891244099522, 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 972431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972481) 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, 486215 + 486216.

It is an arithmetic number, because the mean of its divisors is an integer number (486216).

2⁹⁷²⁴³¹ is an apocalyptic number.

972431 is a deficient number, since it is larger than the sum of its proper divisors (1).

972431 is an equidigital number, since it uses as much as digits as its factorization.

972431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 972431 is about 986.1191611565. The cubic root of 972431 is about 99.0724565651.

The spelling of 972431 in words is "nine hundred seventy-two thousand, four hundred thirty-one".