25556113 has 8 divisors (see below), whose sum is σ = 27985536. Its totient is φ = 23144400.

The previous prime is 25556071. The next prime is 25556119. The reversal of 25556113 is 31165552.

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

It is a cyclic number.

It is not a de Polignac number, because 25556113 - 2¹⁷ = 25425041 is a prime.

It is a super-2 number, since 2×25556113² = 1306229823337538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25556119) 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, 1306 + ... + 7267.

It is an arithmetic number, because the mean of its divisors is an integer number (3498192).

Almost surely, 2^25556113 is an apocalyptic number.

It is an amenable number.

25556113 is a deficient number, since it is larger than the sum of its proper divisors (2429423).

25556113 is a wasteful number, since it uses less digits than its factorization.

25556113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855.

The product of its digits is 4500, while the sum is 28.

The square root of 25556113 is about 5055.3054309310. The cubic root of 25556113 is about 294.5540057554.

It can be divided in two parts, 2555 and 6113, that added together give a palindrome (8668).

The spelling of 25556113 in words is "twenty-five million, five hundred fifty-six thousand, one hundred thirteen".