25057255 has 4 divisors (see below), whose sum is σ = 30068712. Its totient is φ = 20045800.

The previous prime is 25057237. The next prime is 25057259. The reversal of 25057255 is 55275052.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25057255 - 2⁵ = 25057223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25057259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505721 + ... + 2505730.

It is an arithmetic number, because the mean of its divisors is an integer number (7517178).

Almost surely, 2^25057255 is an apocalyptic number.

25057255 is a deficient number, since it is larger than the sum of its proper divisors (5011457).

25057255 is an equidigital number, since it uses as much as digits as its factorization.

25057255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011456.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 25057255 is about 5005.7222256134. The cubic root of 25057255 is about 292.6248231461.

The spelling of 25057255 in words is "twenty-five million, fifty-seven thousand, two hundred fifty-five".