25300055025 has 48 divisors (see below), whose sum is σ = 53116739200. Its totient is φ = 11565737280.

The previous prime is 25300054963. The next prime is 25300055047. The reversal of 25300055025 is 52055000352.

It is not a de Polignac number, because 25300055025 - 2⁹ = 25300054513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 25300055025.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2672530 + ... + 2681979.

Almost surely, 2^25300055025 is an apocalyptic number.

25300055025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25300055025 is an abundant number, since it is smaller than the sum of its proper divisors (27816684175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25300055025 is a wasteful number, since it uses less digits than its factorization.

25300055025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354535 (or 5354524 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

Adding to 25300055025 its reverse (52055000352), we get a palindrome (77355055377).

It can be divided in two parts, 253000 and 55025, that added together give a square (308025 = 555²).

The spelling of 25300055025 in words is "twenty-five billion, three hundred million, fifty-five thousand, twenty-five".