25519055 has 4 divisors (see below), whose sum is σ = 30622872. Its totient is φ = 20415240.

The previous prime is 25519031. The next prime is 25519063. The reversal of 25519055 is 55091552.

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

It is not a de Polignac number, because 25519055 - 2⁶ = 25518991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551901 + ... + 2551910.

It is an arithmetic number, because the mean of its divisors is an integer number (7655718).

Almost surely, 2^25519055 is an apocalyptic number.

25519055 is a deficient number, since it is larger than the sum of its proper divisors (5103817).

25519055 is an equidigital number, since it uses as much as digits as its factorization.

25519055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103816.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 25519055 is about 5051.6388429895. The cubic root of 25519055 is about 294.4115628273.

The spelling of 25519055 in words is "twenty-five million, five hundred nineteen thousand, fifty-five".