25022544251 has 2 divisors, whose sum is σ = 25022544252. Its totient is φ = 25022544250.

The previous prime is 25022544193. The next prime is 25022544259. The reversal of 25022544251 is 15244522052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25022544251 is a prime.

It is a super-2 number, since 2×25022544251² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25022544259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12511272125 + 12511272126.

It is an arithmetic number, because the mean of its divisors is an integer number (12511272126).

Almost surely, 2^25022544251 is an apocalyptic number.

25022544251 is a deficient number, since it is larger than the sum of its proper divisors (1).

25022544251 is an equidigital number, since it uses as much as digits as its factorization.

25022544251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 25022544251 in words is "twenty-five billion, twenty-two million, five hundred forty-four thousand, two hundred fifty-one".