610605997 has 2 divisors, whose sum is σ = 610605998. Its totient is φ = 610605996.

The previous prime is 610605973. The next prime is 610606033. The reversal of 610605997 is 799506016.

610605997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 587286756 + 23319241 = 24234^2 + 4829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610605997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610605097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305302998 + 305302999.

It is an arithmetic number, because the mean of its divisors is an integer number (305302999).

Almost surely, 2^610605997 is an apocalyptic number.

It is an amenable number.

610605997 is a deficient number, since it is larger than the sum of its proper divisors (1).

610605997 is an equidigital number, since it uses as much as digits as its factorization.

610605997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 610605997 is about 24710.4430757524. The cubic root of 610605997 is about 848.3733582919.

The spelling of 610605997 in words is "six hundred ten million, six hundred five thousand, nine hundred ninety-seven".