25590702253 has 2 divisors, whose sum is σ = 25590702254. Its totient is φ = 25590702252.

The previous prime is 25590702233. The next prime is 25590702271. The reversal of 25590702253 is 35220709552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19925580964 + 5665121289 = 141158^2 + 75267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25590702253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25590702223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12795351126 + 12795351127.

It is an arithmetic number, because the mean of its divisors is an integer number (12795351127).

Almost surely, 2^25590702253 is an apocalyptic number.

It is an amenable number.

25590702253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25590702253 is an equidigital number, since it uses as much as digits as its factorization.

25590702253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 25590702253 in words is "twenty-five billion, five hundred ninety million, seven hundred two thousand, two hundred fifty-three".