25393317 has 4 divisors (see below), whose sum is σ = 33857760. Its totient is φ = 16928876.

The previous prime is 25393289. The next prime is 25393321. The reversal of 25393317 is 71339352.

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 25393317 - 2¹⁰ = 25392293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25393387) 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, 4232217 + ... + 4232222.

It is an arithmetic number, because the mean of its divisors is an integer number (8464440).

Almost surely, 2^25393317 is an apocalyptic number.

It is an amenable number.

25393317 is a deficient number, since it is larger than the sum of its proper divisors (8464443).

25393317 is an equidigital number, since it uses as much as digits as its factorization.

25393317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8464442.

The product of its digits is 17010, while the sum is 33.

The square root of 25393317 is about 5039.1782068111. The cubic root of 25393317 is about 293.9272229506.

The spelling of 25393317 in words is "twenty-five million, three hundred ninety-three thousand, three hundred seventeen".