25320353 has 4 divisors (see below), whose sum is σ = 25331760. Its totient is φ = 25308948.

The previous prime is 25320349. The next prime is 25320389. The reversal of 25320353 is 35302352.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25320353 - 2² = 25320349 is a prime.

It is a super-2 number, since 2×25320353² = 1282240552089218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25320553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175 + ... + 7212.

It is an arithmetic number, because the mean of its divisors is an integer number (6332940).

Almost surely, 2^25320353 is an apocalyptic number.

It is an amenable number.

25320353 is a deficient number, since it is larger than the sum of its proper divisors (11407).

25320353 is an equidigital number, since it uses as much as digits as its factorization.

25320353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11406.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 25320353 is about 5031.9333262674. The cubic root of 25320353 is about 293.6454338549.

The spelling of 25320353 in words is "twenty-five million, three hundred twenty thousand, three hundred fifty-three".