616020252 has 24 divisors (see below), whose sum is σ = 1476229776. Its totient is φ = 199790208.

The previous prime is 616020241. The next prime is 616020259. The reversal of 616020252 is 252020616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616020259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693273 + ... + 694160.

It is an arithmetic number, because the mean of its divisors is an integer number (61509574).

Almost surely, 2^616020252 is an apocalyptic number.

It is an amenable number.

616020252 is an abundant number, since it is smaller than the sum of its proper divisors (860209524).

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

616020252 is a wasteful number, since it uses less digits than its factorization.

616020252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387477 (or 1387475 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 616020252 is about 24819.7552767951. The cubic root of 616020252 is about 850.8734974345.

Adding to 616020252 its reverse (252020616), we get a palindrome (868040868).

The spelling of 616020252 in words is "six hundred sixteen million, twenty thousand, two hundred fifty-two".