25403713 has 4 divisors (see below), whose sum is σ = 25559728. Its totient is φ = 25247700.

The previous prime is 25403711. The next prime is 25403717. The reversal of 25403713 is 31730452.

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 25403713 - 2¹ = 25403711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25403711) 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, 77763 + ... + 78088.

It is an arithmetic number, because the mean of its divisors is an integer number (6389932).

Almost surely, 2^25403713 is an apocalyptic number.

It is an amenable number.

25403713 is a deficient number, since it is larger than the sum of its proper divisors (156015).

25403713 is a wasteful number, since it uses less digits than its factorization.

25403713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156014.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 25403713 is about 5040.2096186567. The cubic root of 25403713 is about 293.9673286539.

The spelling of 25403713 in words is "twenty-five million, four hundred three thousand, seven hundred thirteen".