25252775027525 has 12 divisors (see below), whose sum is σ = 31475686848612. Its totient is φ = 20097545303040.

The previous prime is 25252775027461. The next prime is 25252775027587. The reversal of 25252775027525 is 52572057725252.

It can be written as a sum of positive squares in 6 ways, for example, as 75351348004 + 25177423679521 = 274502^2 + 5017711^2 .

It is not a de Polignac number, because 25252775027525 - 2⁶ = 25252775027461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2616863054 + ... + 2616872703.

It is an arithmetic number, because the mean of its divisors is an integer number (2622973904051).

Almost surely, 2^{25252775027525} is an apocalyptic number.

25252775027525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25252775027525 is a deficient number, since it is larger than the sum of its proper divisors (6222911821087).

25252775027525 is a wasteful number, since it uses less digits than its factorization.

25252775027525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233735960 (or 5233735955 counting only the distinct ones).

The product of its (nonzero) digits is 34300000, while the sum is 56.

The spelling of 25252775027525 in words is "twenty-five trillion, two hundred fifty-two billion, seven hundred seventy-five million, twenty-seven thousand, five hundred twenty-five".