25725633 has 4 divisors (see below), whose sum is σ = 34300848. Its totient is φ = 17150420.

The previous prime is 25725611. The next prime is 25725647. The reversal of 25725633 is 33652752.

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 25725633 - 2⁸ = 25725377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25725594 and 25725603.

It is not an unprimeable number, because it can be changed into a prime (25725673) 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, 4287603 + ... + 4287608.

It is an arithmetic number, because the mean of its divisors is an integer number (8575212).

Almost surely, 2^25725633 is an apocalyptic number.

It is an amenable number.

25725633 is a deficient number, since it is larger than the sum of its proper divisors (8575215).

25725633 is an equidigital number, since it uses as much as digits as its factorization.

25725633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8575214.

The product of its digits is 37800, while the sum is 33.

The square root of 25725633 is about 5072.0442624252. The cubic root of 25725633 is about 295.2038541186.

The spelling of 25725633 in words is "twenty-five million, seven hundred twenty-five thousand, six hundred thirty-three".