975912997 has 2 divisors, whose sum is σ = 975912998. Its totient is φ = 975912996.

The previous prime is 975912967. The next prime is 975913007. The reversal of 975912997 is 799219579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 931836676 + 44076321 = 30526^2 + 6639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-975912997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (975912947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487956498 + 487956499.

It is an arithmetic number, because the mean of its divisors is an integer number (487956499).

Almost surely, 2^975912997 is an apocalyptic number.

It is an amenable number.

975912997 is a deficient number, since it is larger than the sum of its proper divisors (1).

975912997 is an equidigital number, since it uses as much as digits as its factorization.

975912997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3214890, while the sum is 58.

The square root of 975912997 is about 31239.6062235106. The cubic root of 975912997 is about 991.9056573939.

The spelling of 975912997 in words is "nine hundred seventy-five million, nine hundred twelve thousand, nine hundred ninety-seven".