25333330 has 16 divisors (see below), whose sum is σ = 49745664. Its totient is φ = 9212080.

The previous prime is 25333313. The next prime is 25333331. The reversal of 25333330 is 3333352.

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

It is not an unprimeable number, because it can be changed into a prime (25333331) 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, 115042 + ... + 115261.

It is an arithmetic number, because the mean of its divisors is an integer number (3109104).

Almost surely, 2^25333330 is an apocalyptic number.

25333330 is a deficient number, since it is larger than the sum of its proper divisors (24412334).

25333330 is a wasteful number, since it uses less digits than its factorization.

25333330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230321.

The product of its (nonzero) digits is 2430, while the sum is 22.

The square root of 25333330 is about 5033.2226257141. Note that the first 3 decimals coincide. The cubic root of 25333330 is about 293.6955909490.

Adding to 25333330 its sum of digits (22), we get a palindrome (25333352).

Adding to 25333330 its reverse (3333352), we get a palindrome (28666682).

The spelling of 25333330 in words is "twenty-five million, three hundred thirty-three thousand, three hundred thirty".