25233403 has 4 divisors (see below), whose sum is σ = 27174448. Its totient is φ = 23292360.

The previous prime is 25233367. The next prime is 25233419. The reversal of 25233403 is 30433252.

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

It is not a de Polignac number, because 25233403 - 2⁹ = 25232891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25233433) 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, 970503 + ... + 970528.

It is an arithmetic number, because the mean of its divisors is an integer number (6793612).

Almost surely, 2^25233403 is an apocalyptic number.

25233403 is a deficient number, since it is larger than the sum of its proper divisors (1941045).

25233403 is a wasteful number, since it uses less digits than its factorization.

25233403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941044.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 25233403 is about 5023.2860758671. The cubic root of 25233403 is about 293.3089225841.

Adding to 25233403 its reverse (30433252), we get a palindrome (55666655).

The spelling of 25233403 in words is "twenty-five million, two hundred thirty-three thousand, four hundred three".