25953955 has 4 divisors (see below), whose sum is σ = 31144752. Its totient is φ = 20763160.

The previous prime is 25953947. The next prime is 25953973. The reversal of 25953955 is 55935952.

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

It is not a de Polignac number, because 25953955 - 2³ = 25953947 is a prime.

It is a Duffinian 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, 2595391 + ... + 2595400.

It is an arithmetic number, because the mean of its divisors is an integer number (7786188).

Almost surely, 2^25953955 is an apocalyptic number.

25953955 is a deficient number, since it is larger than the sum of its proper divisors (5190797).

25953955 is an equidigital number, since it uses as much as digits as its factorization.

25953955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190796.

The product of its digits is 303750, while the sum is 43.

The square root of 25953955 is about 5094.5024290896. The cubic root of 25953955 is about 296.0746212827.

The spelling of 25953955 in words is "twenty-five million, nine hundred fifty-three thousand, nine hundred fifty-five".