25241212 has 12 divisors (see below), whose sum is σ = 46092816. Its totient is φ = 12071840.

The previous prime is 25241207. The next prime is 25241231. The reversal of 25241212 is 21214252.

It is a self number, because there is not a number n which added to its sum of digits gives 25241212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137089 + ... + 137272.

It is an arithmetic number, because the mean of its divisors is an integer number (3841068).

Almost surely, 2^25241212 is an apocalyptic number.

It is an amenable number.

25241212 is a deficient number, since it is larger than the sum of its proper divisors (20851604).

25241212 is a wasteful number, since it uses less digits than its factorization.

25241212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274388 (or 274386 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 25241212 is about 5024.0632957796. The cubic root of 25241212 is about 293.3391763069.

Adding to 25241212 its reverse (21214252), we get a palindrome (46455464).

The spelling of 25241212 in words is "twenty-five million, two hundred forty-one thousand, two hundred twelve".