25360961 has 2 divisors, whose sum is σ = 25360962. Its totient is φ = 25360960.

The previous prime is 25360949. The next prime is 25360997. The reversal of 25360961 is 16906352.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14205361 + 11155600 = 3769^2 + 3340^2 .

It is a cyclic number.

It is not a de Polignac number, because 25360961 - 2⁶ = 25360897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25360901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12680480 + 12680481.

It is an arithmetic number, because the mean of its divisors is an integer number (12680481).

Almost surely, 2^25360961 is an apocalyptic number.

It is an amenable number.

25360961 is a deficient number, since it is larger than the sum of its proper divisors (1).

25360961 is an equidigital number, since it uses as much as digits as its factorization.

25360961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 25360961 is about 5035.9667393659. The cubic root of 25360961 is about 293.8023298352.

The spelling of 25360961 in words is "twenty-five million, three hundred sixty thousand, nine hundred sixty-one".