25331579089 has 2 divisors, whose sum is σ = 25331579090. Its totient is φ = 25331579088.

The previous prime is 25331579081. The next prime is 25331579093. The reversal of 25331579089 is 98097513352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13996782864 + 11334796225 = 118308^2 + 106465^2 .

It is a cyclic number.

It is not a de Polignac number, because 25331579089 - 2³ = 25331579081 is a prime.

It is not a weakly prime, because it can be changed into another prime (25331579081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12665789544 + 12665789545.

It is an arithmetic number, because the mean of its divisors is an integer number (12665789545).

Almost surely, 2^25331579089 is an apocalyptic number.

It is an amenable number.

25331579089 is a deficient number, since it is larger than the sum of its proper divisors (1).

25331579089 is an equidigital number, since it uses as much as digits as its factorization.

25331579089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 25331579089 in words is "twenty-five billion, three hundred thirty-one million, five hundred seventy-nine thousand, eighty-nine".