25423355 has 4 divisors (see below), whose sum is σ = 30508032. Its totient is φ = 20338680.

The previous prime is 25423297. The next prime is 25423361. The reversal of 25423355 is 55332452.

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

It is not a de Polignac number, because 25423355 - 2¹⁸ = 25161211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542331 + ... + 2542340.

It is an arithmetic number, because the mean of its divisors is an integer number (7627008).

Almost surely, 2^25423355 is an apocalyptic number.

25423355 is a deficient number, since it is larger than the sum of its proper divisors (5084677).

25423355 is an equidigital number, since it uses as much as digits as its factorization.

25423355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084676.

The product of its digits is 18000, while the sum is 29.

The square root of 25423355 is about 5042.1577722241. The cubic root of 25423355 is about 294.0430737328.

The spelling of 25423355 in words is "twenty-five million, four hundred twenty-three thousand, three hundred fifty-five".