972345593 has 2 divisors, whose sum is σ = 972345594. Its totient is φ = 972345592.

The previous prime is 972345523. The next prime is 972345613. The reversal of 972345593 is 395543279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 790284544 + 182061049 = 28112^2 + 13493^2 .

It is a cyclic number.

It is not a de Polignac number, because 972345593 - 2¹² = 972341497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (972345523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486172796 + 486172797.

It is an arithmetic number, because the mean of its divisors is an integer number (486172797).

Almost surely, 2^972345593 is an apocalyptic number.

It is an amenable number.

972345593 is a deficient number, since it is larger than the sum of its proper divisors (1).

972345593 is an equidigital number, since it uses as much as digits as its factorization.

972345593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 47.

The square root of 972345593 is about 31182.4564939967. The cubic root of 972345593 is about 990.6955602372.

The spelling of 972345593 in words is "nine hundred seventy-two million, three hundred forty-five thousand, five hundred ninety-three".