25713399 has 8 divisors (see below), whose sum is σ = 34397440. Its totient is φ = 17085816.

The previous prime is 25713397. The next prime is 25713407. The reversal of 25713399 is 99331752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25713399 - 2¹ = 25713397 is a prime.

It is a super-2 number, since 2×25713399² = 1322357776266402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25713397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13039 + ... + 14880.

It is an arithmetic number, because the mean of its divisors is an integer number (4299680).

Almost surely, 2^25713399 is an apocalyptic number.

25713399 is a deficient number, since it is larger than the sum of its proper divisors (8684041).

25713399 is a wasteful number, since it uses less digits than its factorization.

25713399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28229.

The product of its digits is 51030, while the sum is 39.

The square root of 25713399 is about 5070.8380964097. The cubic root of 25713399 is about 295.1570512975.

The spelling of 25713399 in words is "twenty-five million, seven hundred thirteen thousand, three hundred ninety-nine".