25275027502525 has 24 divisors (see below), whose sum is σ = 31529878458624. Its totient is φ = 20098195953600.

The previous prime is 25275027502493. The next prime is 25275027502531. The reversal of 25275027502525 is 52520572057252.

It is not a de Polignac number, because 25275027502525 - 2⁵ = 25275027502493 is a prime.

It is a super-6 number, since 6×25275027502525⁶ (a number of 82 digits) contains 666666 as substring.

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 23 ways as a sum of consecutive naturals, for example, 130091955 + ... + 130286095.

It is an arithmetic number, because the mean of its divisors is an integer number (1313744935776).

Almost surely, 2^{25275027502525} is an apocalyptic number.

25275027502525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25275027502525 is a deficient number, since it is larger than the sum of its proper divisors (6254850956099).

25275027502525 is a wasteful number, since it uses less digits than its factorization.

25275027502525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225501 (or 225496 counting only the distinct ones).

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

Adding to 25275027502525 its reverse (52520572057252), we get a palindrome (77795599559777).

The spelling of 25275027502525 in words is "twenty-five trillion, two hundred seventy-five billion, twenty-seven million, five hundred two thousand, five hundred twenty-five".