25041155 has 4 divisors (see below), whose sum is σ = 30049392. Its totient is φ = 20032920.

The previous prime is 25041151. The next prime is 25041161. The reversal of 25041155 is 55114052.

It is a happy number.

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

It is not a de Polignac number, because 25041155 - 2² = 25041151 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 25041155.

It is not an unprimeable number, because it can be changed into a prime (25041151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504111 + ... + 2504120.

It is an arithmetic number, because the mean of its divisors is an integer number (7512348).

Almost surely, 2^25041155 is an apocalyptic number.

25041155 is a deficient number, since it is larger than the sum of its proper divisors (5008237).

25041155 is an equidigital number, since it uses as much as digits as its factorization.

25041155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008236.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 25041155 is about 5004.1138076587. The cubic root of 25041155 is about 292.5621364571.

The spelling of 25041155 in words is "twenty-five million, forty-one thousand, one hundred fifty-five".