625204212 has 24 divisors (see below), whose sum is σ = 1461868800. Its totient is φ = 207964416.

The previous prime is 625204171. The next prime is 625204231. The reversal of 625204212 is 212402526.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48637 + ... + 60132.

It is an arithmetic number, because the mean of its divisors is an integer number (60911200).

Almost surely, 2^625204212 is an apocalyptic number.

It is an amenable number.

625204212 is an abundant number, since it is smaller than the sum of its proper divisors (836664588).

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

625204212 is a wasteful number, since it uses less digits than its factorization.

625204212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109255 (or 109253 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 625204212 is about 25004.0839064342. The cubic root of 625204212 is about 855.0810825604.

Adding to 625204212 its reverse (212402526), we get a palindrome (837606738).

The spelling of 625204212 in words is "six hundred twenty-five million, two hundred four thousand, two hundred twelve".