975248789 has 2 divisors, whose sum is σ = 975248790. Its totient is φ = 975248788.

The previous prime is 975248779. The next prime is 975248803. The reversal of 975248789 is 987842579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958397764 + 16851025 = 30958^2 + 4105^2 .

It is a cyclic number.

It is not a de Polignac number, because 975248789 - 2⁴ = 975248773 is a prime.

It is a super-2 number, since 2×975248789² = 1902220400891933042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (975248749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487624394 + 487624395.

It is an arithmetic number, because the mean of its divisors is an integer number (487624395).

Almost surely, 2^975248789 is an apocalyptic number.

It is an amenable number.

975248789 is a deficient number, since it is larger than the sum of its proper divisors (1).

975248789 is an equidigital number, since it uses as much as digits as its factorization.

975248789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 59.

The square root of 975248789 is about 31228.9735502146. The cubic root of 975248789 is about 991.6805754454.

The spelling of 975248789 in words is "nine hundred seventy-five million, two hundred forty-eight thousand, seven hundred eighty-nine".