616576853 has 2 divisors, whose sum is σ = 616576854. Its totient is φ = 616576852.

The previous prime is 616576823. The next prime is 616576861. The reversal of 616576853 is 358675616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 520889329 + 95687524 = 22823^2 + 9782^2 .

It is a cyclic number.

It is not a de Polignac number, because 616576853 - 2⁶ = 616576789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 616576798 and 616576807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616576823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308288426 + 308288427.

It is an arithmetic number, because the mean of its divisors is an integer number (308288427).

Almost surely, 2^616576853 is an apocalyptic number.

It is an amenable number.

616576853 is a deficient number, since it is larger than the sum of its proper divisors (1).

616576853 is an equidigital number, since it uses as much as digits as its factorization.

616576853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 47.

The square root of 616576853 is about 24830.9656074829. The cubic root of 616576853 is about 851.1296873195.

The spelling of 616576853 in words is "six hundred sixteen million, five hundred seventy-six thousand, eight hundred fifty-three".