25277530253 has 2 divisors, whose sum is σ = 25277530254. Its totient is φ = 25277530252.

The previous prime is 25277530247. The next prime is 25277530261. The reversal of 25277530253 is 35203577252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24466590724 + 810939529 = 156418^2 + 28477^2 .

It is a cyclic number.

It is not a de Polignac number, because 25277530253 - 2⁴ = 25277530237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25277530253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25277530273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12638765126 + 12638765127.

It is an arithmetic number, because the mean of its divisors is an integer number (12638765127).

Almost surely, 2^25277530253 is an apocalyptic number.

It is an amenable number.

25277530253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25277530253 is an equidigital number, since it uses as much as digits as its factorization.

25277530253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441000, while the sum is 41.

The spelling of 25277530253 in words is "twenty-five billion, two hundred seventy-seven million, five hundred thirty thousand, two hundred fifty-three".