25055051 has 8 divisors (see below), whose sum is σ = 28781280. Its totient is φ = 21365568.

The previous prime is 25055033. The next prime is 25055077. The reversal of 25055051 is 15055052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-25055051 is a prime.

It is a super-2 number, since 2×25055051² = 1255511161225202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25055011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7706 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (3597660).

Almost surely, 2^25055051 is an apocalyptic number.

25055051 is a deficient number, since it is larger than the sum of its proper divisors (3726229).

25055051 is a wasteful number, since it uses less digits than its factorization.

25055051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18373.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 25055051 is about 5005.5020727196. The cubic root of 25055051 is about 292.6162432755.

Subtracting from 25055051 its reverse (15055052), we obtain a palindrome (9999999).

The spelling of 25055051 in words is "twenty-five million, fifty-five thousand, fifty-one".