25790 has 8 divisors (see below), whose sum is σ = 46440. Its totient is φ = 10312.

The previous prime is 25771. The next prime is 25793. The reversal of 25790 is 9752.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25793) 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, 1280 + ... + 1299.

It is an arithmetic number, because the mean of its divisors is an integer number (5805).

2²⁵⁷⁹⁰ is an apocalyptic number.

25790 is a deficient number, since it is larger than the sum of its proper divisors (20650).

25790 is a wasteful number, since it uses less digits than its factorization.

25790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 25790 is about 160.5926523848. The cubic root of 25790 is about 29.5449854686.

The spelling of 25790 in words is "twenty-five thousand, seven hundred ninety".