610807493 has 2 divisors, whose sum is σ = 610807494. Its totient is φ = 610807492.

The previous prime is 610807469. The next prime is 610807517. The reversal of 610807493 is 394708016.

It is a balanced prime because it is at equal distance from previous prime (610807469) and next prime (610807517).

It can be written as a sum of positive squares in only one way, i.e., 577825444 + 32982049 = 24038^2 + 5743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-610807493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (610807423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305403746 + 305403747.

It is an arithmetic number, because the mean of its divisors is an integer number (305403747).

Almost surely, 2^610807493 is an apocalyptic number.

It is an amenable number.

610807493 is a deficient number, since it is larger than the sum of its proper divisors (1).

610807493 is an equidigital number, since it uses as much as digits as its factorization.

610807493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 610807493 is about 24714.5198820450. The cubic root of 610807493 is about 848.4666672555.

The spelling of 610807493 in words is "six hundred ten million, eight hundred seven thousand, four hundred ninety-three".