25244723 has 4 divisors (see below), whose sum is σ = 28851120. Its totient is φ = 21638328.

The previous prime is 25244719. The next prime is 25244753. The reversal of 25244723 is 32744252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25244723 - 2² = 25244719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25244753) 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, 1803188 + ... + 1803201.

It is an arithmetic number, because the mean of its divisors is an integer number (7212780).

Almost surely, 2^25244723 is an apocalyptic number.

25244723 is a deficient number, since it is larger than the sum of its proper divisors (3606397).

25244723 is an equidigital number, since it uses as much as digits as its factorization.

25244723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606396.

The product of its digits is 13440, while the sum is 29.

The square root of 25244723 is about 5024.4127019981. The cubic root of 25244723 is about 293.3527766325.

Adding to 25244723 its reverse (32744252), we get a palindrome (57988975).

The spelling of 25244723 in words is "twenty-five million, two hundred forty-four thousand, seven hundred twenty-three".