25448291 has 8 divisors (see below), whose sum is σ = 28353024. Its totient is φ = 22642120.

The previous prime is 25448261. The next prime is 25448299. The reversal of 25448291 is 19284452.

25448291 = 1065² + 1066² + ... + 1086².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25448291 - 2¹⁰ = 25447267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25448299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24095 + ... + 25128.

It is an arithmetic number, because the mean of its divisors is an integer number (3544128).

Almost surely, 2^25448291 is an apocalyptic number.

25448291 is a deficient number, since it is larger than the sum of its proper divisors (2904733).

25448291 is a wasteful number, since it uses less digits than its factorization.

25448291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49281.

The product of its digits is 23040, while the sum is 35.

The square root of 25448291 is about 5044.6299170504. The cubic root of 25448291 is about 294.1391777830.

The spelling of 25448291 in words is "twenty-five million, four hundred forty-eight thousand, two hundred ninety-one".