25204113 has 24 divisors (see below), whose sum is σ = 41446080. Its totient is φ = 14609760.

The previous prime is 25204111. The next prime is 25204117. The reversal of 25204113 is 31140252.

25204113 is a `hidden beast` number, since 252 + 0 + 411 + 3 = 666.

It is not a de Polignac number, because 25204113 - 2¹ = 25204111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25204111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3258 + ... + 7811.

It is an arithmetic number, because the mean of its divisors is an integer number (1726920).

Almost surely, 2^25204113 is an apocalyptic number.

25204113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25204113 is a deficient number, since it is larger than the sum of its proper divisors (16241967).

25204113 is a wasteful number, since it uses less digits than its factorization.

25204113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11109 (or 11106 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 25204113 is about 5020.3698070959. The cubic root of 25204113 is about 293.1953912657.

Adding to 25204113 its reverse (31140252), we get a palindrome (56344365).

The spelling of 25204113 in words is "twenty-five million, two hundred four thousand, one hundred thirteen".