25425233 has 4 divisors (see below), whose sum is σ = 25662960. Its totient is φ = 25187508.

The previous prime is 25425223. The next prime is 25425269. The reversal of 25425233 is 33252452.

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.

It is a cyclic number.

It is not a de Polignac number, because 25425233 - 2⁸ = 25424977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25425203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118703 + ... + 118916.

It is an arithmetic number, because the mean of its divisors is an integer number (6415740).

Almost surely, 2^25425233 is an apocalyptic number.

It is an amenable number.

25425233 is a deficient number, since it is larger than the sum of its proper divisors (237727).

25425233 is a wasteful number, since it uses less digits than its factorization.

25425233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237726.

The product of its digits is 7200, while the sum is 26.

The square root of 25425233 is about 5042.3439985784. The cubic root of 25425233 is about 294.0503137856.

Adding to 25425233 its reverse (33252452), we get a palindrome (58677685).

The spelling of 25425233 in words is "twenty-five million, four hundred twenty-five thousand, two hundred thirty-three".