616503241 has 8 divisors (see below), whose sum is σ = 649188800. Its totient is φ = 583841520.

The previous prime is 616503233. The next prime is 616503269. The reversal of 616503241 is 142305616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 616503241 - 2³ = 616503233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616503221) by changing a digit.

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, 76555 + ... + 84223.

It is an arithmetic number, because the mean of its divisors is an integer number (81148600).

Almost surely, 2^616503241 is an apocalyptic number.

It is an amenable number.

616503241 is a deficient number, since it is larger than the sum of its proper divisors (32685559).

616503241 is a wasteful number, since it uses less digits than its factorization.

616503241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 616503241 is about 24829.4833011080. The cubic root of 616503241 is about 851.0958143580.

Adding to 616503241 its reverse (142305616), we get a palindrome (758808857).

The spelling of 616503241 in words is "six hundred sixteen million, five hundred three thousand, two hundred forty-one".