25020255 has 32 divisors (see below), whose sum is σ = 44513280. Its totient is φ = 11917440.

The previous prime is 25020227. The next prime is 25020257. The reversal of 25020255 is 55202052.

It is not a de Polignac number, because 25020255 - 2⁵ = 25020223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25020257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3976 + ... + 8114.

It is an arithmetic number, because the mean of its divisors is an integer number (1391040).

Almost surely, 2^25020255 is an apocalyptic number.

25020255 is a deficient number, since it is larger than the sum of its proper divisors (19493025).

25020255 is a wasteful number, since it uses less digits than its factorization.

25020255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 25020255 is about 5002.0250899011. The cubic root of 25020255 is about 292.4807204766.

The spelling of 25020255 in words is "twenty-five million, twenty thousand, two hundred fifty-five".