25330212 has 24 divisors (see below), whose sum is σ = 65671200. Its totient is φ = 8443368.

The previous prime is 25330157. The next prime is 25330213. The reversal of 25330212 is 21203352.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (25330213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117162 + ... + 117377.

It is an arithmetic number, because the mean of its divisors is an integer number (2736300).

Almost surely, 2^25330212 is an apocalyptic number.

It is an amenable number.

25330212 is an abundant number, since it is smaller than the sum of its proper divisors (40340988).

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

25330212 is a wasteful number, since it uses less digits than its factorization.

25330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234552 (or 234544 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 25330212 is about 5032.9128742707. The cubic root of 25330212 is about 293.6835412049.

Adding to 25330212 its reverse (21203352), we get a palindrome (46533564).

The spelling of 25330212 in words is "twenty-five million, three hundred thirty thousand, two hundred twelve".