616257323 has 4 divisors (see below), whose sum is σ = 672280728. Its totient is φ = 560233920.

The previous prime is 616257287. The next prime is 616257329. The reversal of 616257323 is 323752616.

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

It is a cyclic number.

It is not a de Polignac number, because 616257323 - 2²⁴ = 599480107 is a prime.

It is a super-2 number, since 2×616257323² = 759546176302252658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616257329) 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 3 ways as a sum of consecutive naturals, for example, 28011686 + ... + 28011707.

It is an arithmetic number, because the mean of its divisors is an integer number (168070182).

Almost surely, 2^616257323 is an apocalyptic number.

616257323 is a deficient number, since it is larger than the sum of its proper divisors (56023405).

616257323 is a wasteful number, since it uses less digits than its factorization.

616257323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56023404.

The product of its digits is 45360, while the sum is 35.

The square root of 616257323 is about 24824.5306702866. The cubic root of 616257323 is about 850.9826343009.

The spelling of 616257323 in words is "six hundred sixteen million, two hundred fifty-seven thousand, three hundred twenty-three".