25382797 has 4 divisors (see below), whose sum is σ = 27690336. Its totient is φ = 23075260.

The previous prime is 25382789. The next prime is 25382809. The reversal of 25382797 is 79728352.

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 25382797 - 2³ = 25382789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25385797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153753 + ... + 1153774.

It is an arithmetic number, because the mean of its divisors is an integer number (6922584).

Almost surely, 2^25382797 is an apocalyptic number.

It is an amenable number.

25382797 is a deficient number, since it is larger than the sum of its proper divisors (2307539).

25382797 is a wasteful number, since it uses less digits than its factorization.

25382797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307538.

The product of its digits is 211680, while the sum is 43.

The square root of 25382797 is about 5038.1342776865. The cubic root of 25382797 is about 293.8866277356.

It can be divided in two parts, 2538 and 2797, that added together give a palindrome (5335).

The spelling of 25382797 in words is "twenty-five million, three hundred eighty-two thousand, seven hundred ninety-seven".