975461489 has 2 divisors, whose sum is σ = 975461490. Its totient is φ = 975461488.

The previous prime is 975461447. The next prime is 975461497. The reversal of 975461489 is 984164579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 974501089 + 960400 = 31217^2 + 980^2 .

It is a cyclic number.

It is not a de Polignac number, because 975461489 - 2²⁰ = 974412913 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 975461489.

It is not a weakly prime, because it can be changed into another prime (975461419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487730744 + 487730745.

It is an arithmetic number, because the mean of its divisors is an integer number (487730745).

Almost surely, 2^975461489 is an apocalyptic number.

It is an amenable number.

975461489 is a deficient number, since it is larger than the sum of its proper divisors (1).

975461489 is an equidigital number, since it uses as much as digits as its factorization.

975461489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The square root of 975461489 is about 31232.3788559245. The cubic root of 975461489 is about 991.7526647858.

The spelling of 975461489 in words is "nine hundred seventy-five million, four hundred sixty-one thousand, four hundred eighty-nine".