25202264551 has 2 divisors, whose sum is σ = 25202264552. Its totient is φ = 25202264550.

The previous prime is 25202264537. The next prime is 25202264557. The reversal of 25202264551 is 15546220252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25202264551 - 2⁵ = 25202264519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25202264557) 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, 12601132275 + 12601132276.

It is an arithmetic number, because the mean of its divisors is an integer number (12601132276).

Almost surely, 2^25202264551 is an apocalyptic number.

25202264551 is a deficient number, since it is larger than the sum of its proper divisors (1).

25202264551 is an equidigital number, since it uses as much as digits as its factorization.

25202264551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 25202264551 in words is "twenty-five billion, two hundred two million, two hundred sixty-four thousand, five hundred fifty-one".