25007832961 has 2 divisors, whose sum is σ = 25007832962. Its totient is φ = 25007832960.

The previous prime is 25007832953. The next prime is 25007833061. The reversal of 25007832961 is 16923870052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14936506225 + 10071326736 = 122215^2 + 100356^2 .

It is a cyclic number.

It is not a de Polignac number, because 25007832961 - 2³ = 25007832953 is a prime.

It is not a weakly prime, because it can be changed into another prime (25007832911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12503916480 + 12503916481.

It is an arithmetic number, because the mean of its divisors is an integer number (12503916481).

Almost surely, 2^25007832961 is an apocalyptic number.

It is an amenable number.

25007832961 is a deficient number, since it is larger than the sum of its proper divisors (1).

25007832961 is an equidigital number, since it uses as much as digits as its factorization.

25007832961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 25007832961 in words is "twenty-five billion, seven million, eight hundred thirty-two thousand, nine hundred sixty-one".