616325252 has 12 divisors (see below), whose sum is σ = 1081417680. Its totient is φ = 307348776.

The previous prime is 616325233. The next prime is 616325257. The reversal of 616325252 is 252523616.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (616325257) by changing a digit.

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, 201758 + ... + 204789.

It is an arithmetic number, because the mean of its divisors is an integer number (90118140).

Almost surely, 2^616325252 is an apocalyptic number.

It is an amenable number.

616325252 is a deficient number, since it is larger than the sum of its proper divisors (465092428).

616325252 is a wasteful number, since it uses less digits than its factorization.

616325252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406930 (or 406928 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 616325252 is about 24825.8988155515. The cubic root of 616325252 is about 851.0139006099.

Adding to 616325252 its reverse (252523616), we get a palindrome (868848868).

The spelling of 616325252 in words is "six hundred sixteen million, three hundred twenty-five thousand, two hundred fifty-two".