25455321 has 12 divisors (see below), whose sum is σ = 36848448. Its totient is φ = 16933464.

The previous prime is 25455299. The next prime is 25455323. The reversal of 25455321 is 12355452.

It is a happy number.

It is not a de Polignac number, because 25455321 - 2⁵ = 25455289 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25455323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1716 + ... + 7338.

It is an arithmetic number, because the mean of its divisors is an integer number (3070704).

Almost surely, 2^25455321 is an apocalyptic number.

It is an amenable number.

25455321 is a deficient number, since it is larger than the sum of its proper divisors (11393127).

25455321 is a wasteful number, since it uses less digits than its factorization.

25455321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132 (or 6129 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 25455321 is about 5045.3266494846. The cubic root of 25455321 is about 294.1662602571.

The spelling of 25455321 in words is "twenty-five million, four hundred fifty-five thousand, three hundred twenty-one".