616240531 has 8 divisors (see below), whose sum is σ = 652972320. Its totient is φ = 579562368.

The previous prime is 616240529. The next prime is 616240553. The reversal of 616240531 is 135042616.

616240531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 616240531 - 2¹ = 616240529 is a prime.

It is a super-2 number, since 2×616240531² = 759504784094323922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 616240531.

It is not an unprimeable number, because it can be changed into a prime (616240501) 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, 11610 + ... + 36976.

It is an arithmetic number, because the mean of its divisors is an integer number (81621540).

Almost surely, 2^616240531 is an apocalyptic number.

616240531 is a deficient number, since it is larger than the sum of its proper divisors (36731789).

616240531 is a wasteful number, since it uses less digits than its factorization.

616240531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26813.

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

The square root of 616240531 is about 24824.1924541363. The cubic root of 616240531 is about 850.9749049376.

The spelling of 616240531 in words is "six hundred sixteen million, two hundred forty thousand, five hundred thirty-one".