616055301 has 14 divisors (see below), whose sum is σ = 923661510. Its totient is φ = 410703048.

The previous prime is 616055263. The next prime is 616055303. The reversal of 616055301 is 103550616.

It is a happy number.

616055301 is a `hidden beast` number, since 6 + 1 + 605 + 53 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 520524225 + 95531076 = 22815^2 + 9774^2 .

It is not a de Polignac number, because 616055301 - 2⁷ = 616055173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616055303) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 421806 + ... + 423263.

Almost surely, 2^616055301 is an apocalyptic number.

It is an amenable number.

616055301 is a deficient number, since it is larger than the sum of its proper divisors (307606209).

616055301 is an frugal number, since it uses more digits than its factorization.

616055301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845087 (or 845072 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 616055301 is about 24820.4613373724. The cubic root of 616055301 is about 850.8896341873.

The spelling of 616055301 in words is "six hundred sixteen million, fifty-five thousand, three hundred one".