25155 has 24 divisors (see below), whose sum is σ = 48048. Its totient is φ = 12096.

The previous prime is 25153. The next prime is 25163. The reversal of 25155 is 55152.

It is not a de Polignac number, because 25155 - 2¹ = 25153 is a prime.

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25155.

It is not an unprimeable number, because it can be changed into a prime (25153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 564 + ... + 606.

It is an arithmetic number, because the mean of its divisors is an integer number (2002).

2²⁵¹⁵⁵ is an apocalyptic number.

25155 is a deficient number, since it is larger than the sum of its proper divisors (22893).

25155 is a wasteful number, since it uses less digits than its factorization.

25155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 64 counting only the distinct ones).

The product of its digits is 250, while the sum is 18.

The square root of 25155 is about 158.6032786546. The cubic root of 25155 is about 29.3004826224.

The spelling of 25155 in words is "twenty-five thousand, one hundred fifty-five".