610055993 has 2 divisors, whose sum is σ = 610055994. Its totient is φ = 610055992.

The previous prime is 610055987. The next prime is 610056011. The reversal of 610055993 is 399550016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 509314624 + 100741369 = 22568^2 + 10037^2 .

It is a cyclic number.

It is not a de Polignac number, because 610055993 - 2¹⁰ = 610054969 is a prime.

It is not a weakly prime, because it can be changed into another prime (610055093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305027996 + 305027997.

It is an arithmetic number, because the mean of its divisors is an integer number (305027997).

Almost surely, 2^610055993 is an apocalyptic number.

It is an amenable number.

610055993 is a deficient number, since it is larger than the sum of its proper divisors (1).

610055993 is an equidigital number, since it uses as much as digits as its factorization.

610055993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 610055993 is about 24699.3115895970. The cubic root of 610055993 is about 848.1185573715.

The spelling of 610055993 in words is "six hundred ten million, fifty-five thousand, nine hundred ninety-three".