975915761 has 2 divisors, whose sum is σ = 975915762. Its totient is φ = 975915760.

The previous prime is 975915727. The next prime is 975915767. The reversal of 975915761 is 167519579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 758176225 + 217739536 = 27535^2 + 14756^2 .

It is a cyclic number.

It is not a de Polignac number, because 975915761 - 2¹⁴ = 975899377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (975915767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487957880 + 487957881.

It is an arithmetic number, because the mean of its divisors is an integer number (487957881).

Almost surely, 2^975915761 is an apocalyptic number.

It is an amenable number.

975915761 is a deficient number, since it is larger than the sum of its proper divisors (1).

975915761 is an equidigital number, since it uses as much as digits as its factorization.

975915761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 595350, while the sum is 50.

The square root of 975915761 is about 31239.6504621931. The cubic root of 975915761 is about 991.9065938245.

The spelling of 975915761 in words is "nine hundred seventy-five million, nine hundred fifteen thousand, seven hundred sixty-one".