616478241 has 16 divisors (see below), whose sum is σ = 830791808. Its totient is φ = 406598400.

The previous prime is 616478209. The next prime is 616478251. The reversal of 616478241 is 142874616.

616478241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 616478241 - 2⁵ = 616478209 is a prime.

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 616478241.

It is not an unprimeable number, because it can be changed into a prime (616478251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110796 + ... + 116226.

It is an arithmetic number, because the mean of its divisors is an integer number (51924488).

Almost surely, 2^616478241 is an apocalyptic number.

It is an amenable number.

616478241 is a deficient number, since it is larger than the sum of its proper divisors (214313567).

616478241 is a wasteful number, since it uses less digits than its factorization.

616478241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832.

The product of its digits is 64512, while the sum is 39.

The square root of 616478241 is about 24828.9798622497. The cubic root of 616478241 is about 851.0843098589.

The spelling of 616478241 in words is "six hundred sixteen million, four hundred seventy-eight thousand, two hundred forty-one".