25055305 has 24 divisors (see below), whose sum is σ = 33743232. Its totient is φ = 17712000.

The previous prime is 25055299. The next prime is 25055321. The reversal of 25055305 is 50355052.

It is not a de Polignac number, because 25055305 - 2⁹ = 25054793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25055305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92320 + ... + 92590.

It is an arithmetic number, because the mean of its divisors is an integer number (1405968).

Almost surely, 2^25055305 is an apocalyptic number.

It is an amenable number.

25055305 is a deficient number, since it is larger than the sum of its proper divisors (8687927).

25055305 is a wasteful number, since it uses less digits than its factorization.

25055305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 25055305 is about 5005.5274447355. The cubic root of 25055305 is about 292.6172320884.

It can be divided in two parts, 250 and 55305, that added together give a palindrome (55555).

The spelling of 25055305 in words is "twenty-five million, fifty-five thousand, three hundred five".