25628713 has 4 divisors (see below), whose sum is σ = 27958608. Its totient is φ = 23298820.

The previous prime is 25628689. The next prime is 25628717. The reversal of 25628713 is 31782652.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25628713 - 2⁹ = 25628201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25628717) 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, 1164931 + ... + 1164952.

It is an arithmetic number, because the mean of its divisors is an integer number (6989652).

Almost surely, 2^25628713 is an apocalyptic number.

It is an amenable number.

25628713 is a deficient number, since it is larger than the sum of its proper divisors (2329895).

25628713 is a wasteful number, since it uses less digits than its factorization.

25628713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329894.

The product of its digits is 20160, while the sum is 34.

The square root of 25628713 is about 5062.4809135443. The cubic root of 25628713 is about 294.8326658012.

The spelling of 25628713 in words is "twenty-five million, six hundred twenty-eight thousand, seven hundred thirteen".