25407233 has 4 divisors (see below), whose sum is σ = 25487700. Its totient is φ = 25326768.

The previous prime is 25407223. The next prime is 25407241. The reversal of 25407233 is 33270452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13490929 + 11916304 = 3673^2 + 3452^2 .

It is a cyclic number.

It is not a de Polignac number, because 25407233 - 2⁶ = 25407169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25407223) 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, 39758 + ... + 40391.

It is an arithmetic number, because the mean of its divisors is an integer number (6371925).

Almost surely, 2^25407233 is an apocalyptic number.

It is an amenable number.

25407233 is a deficient number, since it is larger than the sum of its proper divisors (80467).

25407233 is an equidigital number, since it uses as much as digits as its factorization.

25407233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80466.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 25407233 is about 5040.5587983873. The cubic root of 25407233 is about 293.9809056351.

Adding to 25407233 its reverse (33270452), we get a palindrome (58677685).

The spelling of 25407233 in words is "twenty-five million, four hundred seven thousand, two hundred thirty-three".