616057 has 4 divisors (see below), whose sum is σ = 663460. Its totient is φ = 568656.

The previous prime is 616051. The next prime is 616069. The reversal of 616057 is 750616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44521 + 571536 = 211^2 + 756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23682 + ... + 23707.

It is an arithmetic number, because the mean of its divisors is an integer number (165865).

2⁶¹⁶⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

616057 is a deficient number, since it is larger than the sum of its proper divisors (47403).

616057 is a wasteful number, since it uses less digits than its factorization.

616057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47402.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 616057 is about 784.8929863364. The cubic root of 616057 is about 85.0890416401.

The spelling of 616057 in words is "six hundred sixteen thousand, fifty-seven".