25296449 has 4 divisors (see below), whose sum is σ = 25307220. Its totient is φ = 25285680.

The previous prime is 25296437. The next prime is 25296457. The reversal of 25296449 is 94469252.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7924225 + 17372224 = 2815^2 + 4168^2 .

It is a cyclic number.

It is not a de Polignac number, because 25296449 - 2⁴ = 25296433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25296409) 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, 194 + ... + 7115.

It is an arithmetic number, because the mean of its divisors is an integer number (6326805).

Almost surely, 2^25296449 is an apocalyptic number.

It is an amenable number.

25296449 is a deficient number, since it is larger than the sum of its proper divisors (10771).

25296449 is an equidigital number, since it uses as much as digits as its factorization.

25296449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10770.

The product of its digits is 155520, while the sum is 41.

The square root of 25296449 is about 5029.5575352112. The cubic root of 25296449 is about 293.5529981966.

The spelling of 25296449 in words is "twenty-five million, two hundred ninety-six thousand, four hundred forty-nine".