610506643 has 2 divisors, whose sum is σ = 610506644. Its totient is φ = 610506642.

The previous prime is 610506607. The next prime is 610506649. The reversal of 610506643 is 346605016.

610506643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610506643 is a prime.

It is a super-2 number, since 2×610506643² = 745436722294258898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (610506649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305253321 + 305253322.

It is an arithmetic number, because the mean of its divisors is an integer number (305253322).

Almost surely, 2^610506643 is an apocalyptic number.

610506643 is a deficient number, since it is larger than the sum of its proper divisors (1).

610506643 is an equidigital number, since it uses as much as digits as its factorization.

610506643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 610506643 is about 24708.4326293677. The cubic root of 610506643 is about 848.3273417886.

The spelling of 610506643 in words is "six hundred ten million, five hundred six thousand, six hundred forty-three".