25718014 has 16 divisors (see below), whose sum is σ = 44258400. Its totient is φ = 10979424.

The previous prime is 25717987. The next prime is 25718023. The reversal of 25718014 is 41081752.

It is a super-2 number, since 2×25718014² = 1322832488208392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352 + ... + 7180.

It is an arithmetic number, because the mean of its divisors is an integer number (2766150).

Almost surely, 2^25718014 is an apocalyptic number.

25718014 is a deficient number, since it is larger than the sum of its proper divisors (18540386).

25718014 is a wasteful number, since it uses less digits than its factorization.

25718014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 25718014 is about 5071.2931289761. The cubic root of 25718014 is about 295.1747083474.

Adding to 25718014 its reverse (41081752), we get a palindrome (66799766).

It can be divided in two parts, 2571 and 8014, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 25718014 in words is "twenty-five million, seven hundred eighteen thousand, fourteen".