25014631451 has 2 divisors, whose sum is σ = 25014631452. Its totient is φ = 25014631450.

The previous prime is 25014631399. The next prime is 25014631489. The reversal of 25014631451 is 15413641052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25014631451 is a prime.

It is not a weakly prime, because it can be changed into another prime (25014651451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12507315725 + 12507315726.

It is an arithmetic number, because the mean of its divisors is an integer number (12507315726).

Almost surely, 2^25014631451 is an apocalyptic number.

25014631451 is a deficient number, since it is larger than the sum of its proper divisors (1).

25014631451 is an equidigital number, since it uses as much as digits as its factorization.

25014631451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 25014631451 in words is "twenty-five billion, fourteen million, six hundred thirty-one thousand, four hundred fifty-one".