616922753 has 4 divisors (see below), whose sum is σ = 620331348. Its totient is φ = 613514160.

The previous prime is 616922743. The next prime is 616922759. The reversal of 616922753 is 357229616.

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 78357904 + 538564849 = 8852^2 + 23207^2 .

It is a cyclic number.

It is not a de Polignac number, because 616922753 - 2⁶ = 616922689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 616922753.

It is not an unprimeable number, because it can be changed into a prime (616922759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1704026 + ... + 1704387.

It is an arithmetic number, because the mean of its divisors is an integer number (155082837).

Almost surely, 2^616922753 is an apocalyptic number.

It is an amenable number.

616922753 is a deficient number, since it is larger than the sum of its proper divisors (3408595).

616922753 is a wasteful number, since it uses less digits than its factorization.

616922753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408594.

The product of its digits is 136080, while the sum is 41.

The square root of 616922753 is about 24837.9297245161. The cubic root of 616922753 is about 851.2888189945.

The spelling of 616922753 in words is "six hundred sixteen million, nine hundred twenty-two thousand, seven hundred fifty-three".