25790613 has 8 divisors (see below), whose sum is σ = 35882688. Its totient is φ = 16446144.

The previous prime is 25790603. The next prime is 25790621. The reversal of 25790613 is 31609752.

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

It is not a de Polignac number, because 25790613 - 2⁶ = 25790549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25790603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186820 + ... + 186957.

It is an arithmetic number, because the mean of its divisors is an integer number (4485336).

Almost surely, 2^25790613 is an apocalyptic number.

25790613 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25790613 is a deficient number, since it is larger than the sum of its proper divisors (10092075).

25790613 is a wasteful number, since it uses less digits than its factorization.

25790613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373803.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 25790613 is about 5078.4459237054. The cubic root of 25790613 is about 295.4521955072.

The spelling of 25790613 in words is "twenty-five million, seven hundred ninety thousand, six hundred thirteen".