616402597 has 2 divisors, whose sum is σ = 616402598. Its totient is φ = 616402596.

The previous prime is 616402547. The next prime is 616402601. The reversal of 616402597 is 795204616.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 590198436 + 26204161 = 24294^2 + 5119^2 .

It is a cyclic number.

It is not a de Polignac number, because 616402597 - 2¹¹ = 616400549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616402517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308201298 + 308201299.

It is an arithmetic number, because the mean of its divisors is an integer number (308201299).

Almost surely, 2^616402597 is an apocalyptic number.

It is an amenable number.

616402597 is a deficient number, since it is larger than the sum of its proper divisors (1).

616402597 is an equidigital number, since it uses as much as digits as its factorization.

616402597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 616402597 is about 24827.4565149151. The cubic root of 616402597 is about 851.0494981112.

The spelling of 616402597 in words is "six hundred sixteen million, four hundred two thousand, five hundred ninety-seven".