616210252 has 24 divisors (see below), whose sum is σ = 1235252480. Its totient is φ = 263483280.

The previous prime is 616210163. The next prime is 616210267. The reversal of 616210252 is 252012616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12774 + ... + 37357.

Almost surely, 2^616210252 is an apocalyptic number.

It is an amenable number.

616210252 is an abundant number, since it is smaller than the sum of its proper divisors (619042228).

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

616210252 is a wasteful number, since it uses less digits than its factorization.

616210252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50581 (or 50579 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 616210252 is about 24823.5825778633. The cubic root of 616210252 is about 850.9609671488.

Adding to 616210252 its reverse (252012616), we get a palindrome (868222868).

The spelling of 616210252 in words is "six hundred sixteen million, two hundred ten thousand, two hundred fifty-two".