610602491 has 2 divisors, whose sum is σ = 610602492. Its totient is φ = 610602490.

The previous prime is 610602479. The next prime is 610602523. The reversal of 610602491 is 194206016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 610602491 - 2¹⁸ = 610340347 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (610202491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305301245 + 305301246.

It is an arithmetic number, because the mean of its divisors is an integer number (305301246).

Almost surely, 2^610602491 is an apocalyptic number.

610602491 is a deficient number, since it is larger than the sum of its proper divisors (1).

610602491 is an equidigital number, since it uses as much as digits as its factorization.

610602491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 610602491 is about 24710.3721339845. The cubic root of 610602491 is about 848.3717345484.

The spelling of 610602491 in words is "six hundred ten million, six hundred two thousand, four hundred ninety-one".