25114503961 has 2 divisors, whose sum is σ = 25114503962. Its totient is φ = 25114503960.

The previous prime is 25114503941. The next prime is 25114503977. The reversal of 25114503961 is 16930541152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15445518400 + 9668985561 = 124280^2 + 98331^2 .

It is a cyclic number.

It is not a de Polignac number, because 25114503961 - 2²⁵ = 25080949529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25114503961.

It is not a weakly prime, because it can be changed into another prime (25114503941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12557251980 + 12557251981.

It is an arithmetic number, because the mean of its divisors is an integer number (12557251981).

Almost surely, 2^25114503961 is an apocalyptic number.

It is an amenable number.

25114503961 is a deficient number, since it is larger than the sum of its proper divisors (1).

25114503961 is an equidigital number, since it uses as much as digits as its factorization.

25114503961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 25114503961 in words is "twenty-five billion, one hundred fourteen million, five hundred three thousand, nine hundred sixty-one".