25319713 has 4 divisors (see below), whose sum is σ = 25344900. Its totient is φ = 25294528.

The previous prime is 25319689. The next prime is 25319753. The reversal of 25319713 is 31791352.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20684304 + 4635409 = 4548^2 + 2153^2 .

It is a cyclic number.

It is not a de Polignac number, because 25319713 - 2¹⁷ = 25188641 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25319753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11020 + ... + 13117.

It is an arithmetic number, because the mean of its divisors is an integer number (6336225).

Almost surely, 2^25319713 is an apocalyptic number.

It is an amenable number.

25319713 is a deficient number, since it is larger than the sum of its proper divisors (25187).

25319713 is a wasteful number, since it uses less digits than its factorization.

25319713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25186.

The product of its digits is 5670, while the sum is 31.

The square root of 25319713 is about 5031.8697320181. The cubic root of 25319713 is about 293.6429597627.

The spelling of 25319713 in words is "twenty-five million, three hundred nineteen thousand, seven hundred thirteen".