25292824402451 has 2 divisors, whose sum is σ = 25292824402452. Its totient is φ = 25292824402450.

The previous prime is 25292824402421. The next prime is 25292824402553. The reversal of 25292824402451 is 15420442829252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25292824402451 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25292824402451.

It is not a weakly prime, because it can be changed into another prime (25292824402421) 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, 12646412201225 + 12646412201226.

It is an arithmetic number, because the mean of its divisors is an integer number (12646412201226).

Almost surely, 2^{25292824402451} is an apocalyptic number.

25292824402451 is a deficient number, since it is larger than the sum of its proper divisors (1).

25292824402451 is an equidigital number, since it uses as much as digits as its factorization.

25292824402451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3686400, while the sum is 50.

The spelling of 25292824402451 in words is "twenty-five trillion, two hundred ninety-two billion, eight hundred twenty-four million, four hundred two thousand, four hundred fifty-one".