616455043 has 2 divisors, whose sum is σ = 616455044. Its totient is φ = 616455042.

The previous prime is 616455041. The next prime is 616455067. The reversal of 616455043 is 340554616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616455043 - 2¹ = 616455041 is a prime.

Together with 616455041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (616455041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308227521 + 308227522.

It is an arithmetic number, because the mean of its divisors is an integer number (308227522).

Almost surely, 2^616455043 is an apocalyptic number.

616455043 is a deficient number, since it is larger than the sum of its proper divisors (1).

616455043 is an equidigital number, since it uses as much as digits as its factorization.

616455043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 616455043 is about 24828.5127021334. The cubic root of 616455043 is about 851.0736343258.

The spelling of 616455043 in words is "six hundred sixteen million, four hundred fifty-five thousand, forty-three".