25275002752525 has 6 divisors (see below), whose sum is σ = 31341003413162. Its totient is φ = 20220002202000.

The previous prime is 25275002752501. The next prime is 25275002752543. The reversal of 25275002752525 is 52525720057252.

It can be written as a sum of positive squares in 3 ways, for example, as 327964673124 + 24947038079401 = 572682^2 + 4994701^2 .

It is not a de Polignac number, because 25275002752525 - 2⁴³ = 16478909730317 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 5 ways as a sum of consecutive naturals, for example, 505500055026 + ... + 505500055075.

Almost surely, 2^{25275002752525} is an apocalyptic number.

25275002752525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25275002752525 is a deficient number, since it is larger than the sum of its proper divisors (6066000660637).

25275002752525 is a wasteful number, since it uses less digits than its factorization.

25275002752525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011000110111 (or 1011000110106 counting only the distinct ones).

The product of its (nonzero) digits is 4900000, while the sum is 49.

The spelling of 25275002752525 in words is "twenty-five trillion, two hundred seventy-five billion, two million, seven hundred fifty-two thousand, five hundred twenty-five".