972345943 has 2 divisors, whose sum is σ = 972345944. Its totient is φ = 972345942.

The previous prime is 972345877. The next prime is 972345949. The reversal of 972345943 is 349543279.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972345943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 972345893 and 972345902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972345949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486172971 + 486172972.

It is an arithmetic number, because the mean of its divisors is an integer number (486172972).

Almost surely, 2^972345943 is an apocalyptic number.

972345943 is a deficient number, since it is larger than the sum of its proper divisors (1).

972345943 is an equidigital number, since it uses as much as digits as its factorization.

972345943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 46.

The square root of 972345943 is about 31182.4621061263. The cubic root of 972345943 is about 990.6956791056.

The spelling of 972345943 in words is "nine hundred seventy-two million, three hundred forty-five thousand, nine hundred forty-three".