25275300025 has 24 divisors (see below), whose sum is σ = 32115347264. Its totient is φ = 19722225600.

The previous prime is 25275300023. The next prime is 25275300073. The reversal of 25275300025 is 52000357252.

It is not a de Polignac number, because 25275300025 - 2¹ = 25275300023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25275300025.

It is not an unprimeable number, because it can be changed into a prime (25275300023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 765355 + ... + 797695.

Almost surely, 2^25275300025 is an apocalyptic number.

25275300025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25275300025 is a deficient number, since it is larger than the sum of its proper divisors (6840047239).

25275300025 is a wasteful number, since it uses less digits than its factorization.

25275300025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33121 (or 33116 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

Adding to 25275300025 its reverse (52000357252), we get a palindrome (77275657277).

The spelling of 25275300025 in words is "twenty-five billion, two hundred seventy-five million, three hundred thousand, twenty-five".