616272563 has 2 divisors, whose sum is σ = 616272564. Its totient is φ = 616272562.

The previous prime is 616272479. The next prime is 616272583. The reversal of 616272563 is 365272616.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616272563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (616272583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308136281 + 308136282.

It is an arithmetic number, because the mean of its divisors is an integer number (308136282).

Almost surely, 2^616272563 is an apocalyptic number.

616272563 is a deficient number, since it is larger than the sum of its proper divisors (1).

616272563 is an equidigital number, since it uses as much as digits as its factorization.

616272563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 616272563 is about 24824.8376228325. The cubic root of 616272563 is about 850.9896491566.

The spelling of 616272563 in words is "six hundred sixteen million, two hundred seventy-two thousand, five hundred sixty-three".