25233428 has 12 divisors (see below), whose sum is σ = 48172992. Its totient is φ = 11469720.

The previous prime is 25233427. The next prime is 25233433. The reversal of 25233428 is 82433252.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 25233428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25233421) 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, 286700 + ... + 286787.

It is an arithmetic number, because the mean of its divisors is an integer number (4014416).

Almost surely, 2^25233428 is an apocalyptic number.

It is an amenable number.

25233428 is a deficient number, since it is larger than the sum of its proper divisors (22939564).

25233428 is a wasteful number, since it uses less digits than its factorization.

25233428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573502 (or 573500 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 25233428 is about 5023.2885642774. The cubic root of 25233428 is about 293.3090194494.

The spelling of 25233428 in words is "twenty-five million, two hundred thirty-three thousand, four hundred twenty-eight".