25917113 has 4 divisors (see below), whose sum is σ = 27043968. Its totient is φ = 24790260.

The previous prime is 25917091. The next prime is 25917167. The reversal of 25917113 is 31171952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25917113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25917193) 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, 563393 + ... + 563438.

It is an arithmetic number, because the mean of its divisors is an integer number (6760992).

Almost surely, 2^25917113 is an apocalyptic number.

25917113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25917113 is a deficient number, since it is larger than the sum of its proper divisors (1126855).

25917113 is a wasteful number, since it uses less digits than its factorization.

25917113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126854.

The product of its digits is 1890, while the sum is 29.

The square root of 25917113 is about 5090.8852864703. The cubic root of 25917113 is about 295.9344609280.

The spelling of 25917113 in words is "twenty-five million, nine hundred seventeen thousand, one hundred thirteen".