972601951 has 2 divisors, whose sum is σ = 972601952. Its totient is φ = 972601950.

The previous prime is 972601939. The next prime is 972601957. The reversal of 972601951 is 159106279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 972601951 - 2⁹ = 972601439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972601957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486300975 + 486300976.

It is an arithmetic number, because the mean of its divisors is an integer number (486300976).

Almost surely, 2^972601951 is an apocalyptic number.

972601951 is a deficient number, since it is larger than the sum of its proper divisors (1).

972601951 is an equidigital number, since it uses as much as digits as its factorization.

972601951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 972601951 is about 31186.5668357387. The cubic root of 972601951 is about 990.7826179040.

The spelling of 972601951 in words is "nine hundred seventy-two million, six hundred one thousand, nine hundred fifty-one".