25355 has 8 divisors (see below), whose sum is σ = 33264. Its totient is φ = 18400.

The previous prime is 25349. The next prime is 25357. The reversal of 25355 is 55352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25355 - 2⁴ = 25339 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25355.

It is not an unprimeable number, because it can be changed into a prime (25357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176 + ... + 285.

It is an arithmetic number, because the mean of its divisors is an integer number (4158).

2²⁵³⁵⁵ is an apocalyptic number.

25355 is a deficient number, since it is larger than the sum of its proper divisors (7909).

25355 is a wasteful number, since it uses less digits than its factorization.

25355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477.

The product of its digits is 750, while the sum is 20.

The square root of 25355 is about 159.2325343641. The cubic root of 25355 is about 29.3779308981.

The spelling of 25355 in words is "twenty-five thousand, three hundred fifty-five".