25425051451 has 2 divisors, whose sum is σ = 25425051452. Its totient is φ = 25425051450.

The previous prime is 25425051409. The next prime is 25425051497. The reversal of 25425051451 is 15415052452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25425051451 - 2²⁹ = 24888180539 is a prime.

It is not a weakly prime, because it can be changed into another prime (25425051401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12712525725 + 12712525726.

It is an arithmetic number, because the mean of its divisors is an integer number (12712525726).

Almost surely, 2^25425051451 is an apocalyptic number.

25425051451 is a deficient number, since it is larger than the sum of its proper divisors (1).

25425051451 is an equidigital number, since it uses as much as digits as its factorization.

25425051451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 25425051451 in words is "twenty-five billion, four hundred twenty-five million, fifty-one thousand, four hundred fifty-one".