25623330 has 16 divisors (see below), whose sum is σ = 61496064. Its totient is φ = 6832880.

The previous prime is 25623289. The next prime is 25623337. The reversal of 25623330 is 3332652.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25623330.

It is not an unprimeable number, because it can be changed into a prime (25623337) 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 7 ways as a sum of consecutive naturals, for example, 427026 + ... + 427085.

It is an arithmetic number, because the mean of its divisors is an integer number (3843504).

Almost surely, 2^25623330 is an apocalyptic number.

25623330 is an abundant number, since it is smaller than the sum of its proper divisors (35872734).

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

25623330 is a wasteful number, since it uses less digits than its factorization.

25623330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854121.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 25623330 is about 5061.9492292989. The cubic root of 25623330 is about 294.8120223485.

Adding to 25623330 its reverse (3332652), we get a palindrome (28955982).

The spelling of 25623330 in words is "twenty-five million, six hundred twenty-three thousand, three hundred thirty".