25454955 has 16 divisors (see below), whose sum is σ = 40794624. Its totient is φ = 13553760.

The previous prime is 25454939. The next prime is 25454959. The reversal of 25454955 is 55945452.

It is not a de Polignac number, because 25454955 - 2⁴ = 25454939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25454959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12670 + ... + 14540.

It is an arithmetic number, because the mean of its divisors is an integer number (2549664).

Almost surely, 2^25454955 is an apocalyptic number.

25454955 is a deficient number, since it is larger than the sum of its proper divisors (15339669).

25454955 is a wasteful number, since it uses less digits than its factorization.

25454955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786.

The product of its digits is 180000, while the sum is 39.

The square root of 25454955 is about 5045.2903781646. The cubic root of 25454955 is about 294.1648503964.

The spelling of 25454955 in words is "twenty-five million, four hundred fifty-four thousand, nine hundred fifty-five".