25451304379 has 2 divisors, whose sum is σ = 25451304380. Its totient is φ = 25451304378.

The previous prime is 25451304371. The next prime is 25451304391. The reversal of 25451304379 is 97340315452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25451304379 - 2³ = 25451304371 is a prime.

It is not a weakly prime, because it can be changed into another prime (25451304371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12725652189 + 12725652190.

It is an arithmetic number, because the mean of its divisors is an integer number (12725652190).

Almost surely, 2^25451304379 is an apocalyptic number.

25451304379 is a deficient number, since it is larger than the sum of its proper divisors (1).

25451304379 is an equidigital number, since it uses as much as digits as its factorization.

25451304379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 25451304379 in words is "twenty-five billion, four hundred fifty-one million, three hundred four thousand, three hundred seventy-nine".