25055502253 has 2 divisors, whose sum is σ = 25055502254. Its totient is φ = 25055502252.

The previous prime is 25055502221. The next prime is 25055502281. The reversal of 25055502253 is 35220555052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25015534569 + 39967684 = 158163^2 + 6322^2 .

It is a cyclic number.

It is not a de Polignac number, because 25055502253 - 2⁵ = 25055502221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25055505253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12527751126 + 12527751127.

It is an arithmetic number, because the mean of its divisors is an integer number (12527751127).

Almost surely, 2^25055502253 is an apocalyptic number.

It is an amenable number.

25055502253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25055502253 is an equidigital number, since it uses as much as digits as its factorization.

25055502253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75000, while the sum is 34.

The spelling of 25055502253 in words is "twenty-five billion, fifty-five million, five hundred two thousand, two hundred fifty-three".