25885433 has 4 divisors (see below), whose sum is σ = 29583360. Its totient is φ = 22187508.

The previous prime is 25885427. The next prime is 25885493. The reversal of 25885433 is 33458852.

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 not a de Polignac number, because 25885433 - 2⁴ = 25885417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25885493) 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, 1848953 + ... + 1848966.

It is an arithmetic number, because the mean of its divisors is an integer number (7395840).

Almost surely, 2^25885433 is an apocalyptic number.

It is an amenable number.

25885433 is a deficient number, since it is larger than the sum of its proper divisors (3697927).

25885433 is an equidigital number, since it uses as much as digits as its factorization.

25885433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697926.

The product of its digits is 115200, while the sum is 38.

The square root of 25885433 is about 5087.7728919440. The cubic root of 25885433 is about 295.8138324424.

The spelling of 25885433 in words is "twenty-five million, eight hundred eighty-five thousand, four hundred thirty-three".