25055302553 has 2 divisors, whose sum is σ = 25055302554. Its totient is φ = 25055302552.

The previous prime is 25055302537. The next prime is 25055302631. The reversal of 25055302553 is 35520355052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22407994249 + 2647308304 = 149693^2 + 51452^2 .

It is a cyclic number.

It is not a de Polignac number, because 25055302553 - 2⁴ = 25055302537 is a prime.

It is not a weakly prime, because it can be changed into another prime (25055302523) 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, 12527651276 + 12527651277.

It is an arithmetic number, because the mean of its divisors is an integer number (12527651277).

Almost surely, 2^25055302553 is an apocalyptic number.

It is an amenable number.

25055302553 is a deficient number, since it is larger than the sum of its proper divisors (1).

25055302553 is an equidigital number, since it uses as much as digits as its factorization.

25055302553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112500, while the sum is 35.

The spelling of 25055302553 in words is "twenty-five billion, fifty-five million, three hundred two thousand, five hundred fifty-three".