25399714 has 4 divisors (see below), whose sum is σ = 38099574. Its totient is φ = 12699856.

The previous prime is 25399691. The next prime is 25399727. The reversal of 25399714 is 41799352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16200625 + 9199089 = 4025^2 + 3033^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6349927 + ... + 6349930.

Almost surely, 2^25399714 is an apocalyptic number.

25399714 is a deficient number, since it is larger than the sum of its proper divisors (12699860).

25399714 is a wasteful number, since it uses less digits than its factorization.

25399714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12699859.

The product of its digits is 68040, while the sum is 40.

The square root of 25399714 is about 5039.8128933523. The cubic root of 25399714 is about 293.9519026013.

The spelling of 25399714 in words is "twenty-five million, three hundred ninety-nine thousand, seven hundred fourteen".