25433320 has 32 divisors (see below), whose sum is σ = 62428320. Its totient is φ = 9248320.

The previous prime is 25433311. The next prime is 25433321. The reversal of 25433320 is 2333452.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 25433291 and 25433300.

It is not an unprimeable number, because it can be changed into a prime (25433321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28462 + ... + 29341.

It is an arithmetic number, because the mean of its divisors is an integer number (1950885).

Almost surely, 2^25433320 is an apocalyptic number.

25433320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25433320 is an abundant number, since it is smaller than the sum of its proper divisors (36995000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25433320 is a wasteful number, since it uses less digits than its factorization.

25433320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57825 (or 57821 counting only the distinct ones).

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

The square root of 25433320 is about 5043.1458436179. The cubic root of 25433320 is about 294.0814866603.

Adding to 25433320 its reverse (2333452), we get a palindrome (27766772).

The spelling of 25433320 in words is "twenty-five million, four hundred thirty-three thousand, three hundred twenty".