972534457 has 2 divisors, whose sum is σ = 972534458. Its totient is φ = 972534456.

The previous prime is 972534439. The next prime is 972534467. The reversal of 972534457 is 754435279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 905769216 + 66765241 = 30096^2 + 8171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972534457 is a prime.

It is not a weakly prime, because it can be changed into another prime (972534427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486267228 + 486267229.

It is an arithmetic number, because the mean of its divisors is an integer number (486267229).

Almost surely, 2^972534457 is an apocalyptic number.

It is an amenable number.

972534457 is a deficient number, since it is larger than the sum of its proper divisors (1).

972534457 is an equidigital number, since it uses as much as digits as its factorization.

972534457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 46.

The square root of 972534457 is about 31185.4847164510. The cubic root of 972534457 is about 990.7596988229.

The spelling of 972534457 in words is "nine hundred seventy-two million, five hundred thirty-four thousand, four hundred fifty-seven".