25472379 has 4 divisors (see below), whose sum is σ = 33963176. Its totient is φ = 16981584.

The previous prime is 25472329. The next prime is 25472387. The reversal of 25472379 is 97327452.

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

It is a de Polignac number, because none of the positive numbers 2^k-25472379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25472309) 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, 4245394 + ... + 4245399.

It is an arithmetic number, because the mean of its divisors is an integer number (8490794).

Almost surely, 2^25472379 is an apocalyptic number.

25472379 is a deficient number, since it is larger than the sum of its proper divisors (8490797).

25472379 is an equidigital number, since it uses as much as digits as its factorization.

25472379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490796.

The product of its digits is 105840, while the sum is 39.

The square root of 25472379 is about 5047.0168416600. The cubic root of 25472379 is about 294.2319540221.

The spelling of 25472379 in words is "twenty-five million, four hundred seventy-two thousand, three hundred seventy-nine".