25717113 has 12 divisors (see below), whose sum is σ = 38428260. Its totient is φ = 16553376.

The previous prime is 25717091. The next prime is 25717121. The reversal of 25717113 is 31171752.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16426809 + 9290304 = 4053^2 + 3048^2 .

It is not a de Polignac number, because 25717113 - 2⁶ = 25717049 is a prime.

It is a super-2 number, since 2×25717113² = 1322739802109538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25717193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49006 + ... + 49527.

It is an arithmetic number, because the mean of its divisors is an integer number (3202355).

Almost surely, 2^25717113 is an apocalyptic number.

It is an amenable number.

25717113 is a deficient number, since it is larger than the sum of its proper divisors (12711147).

25717113 is a wasteful number, since it uses less digits than its factorization.

25717113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98568 (or 98565 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 25717113 is about 5071.2042948396. The cubic root of 25717113 is about 295.1712612757.

Adding to 25717113 its reverse (31171752), we get a palindrome (56888865).

The spelling of 25717113 in words is "twenty-five million, seven hundred seventeen thousand, one hundred thirteen".