613499 has 2 divisors, whose sum is σ = 613500. Its totient is φ = 613498.

The previous prime is 613493. The next prime is 613507. The reversal of 613499 is 994316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 613499 - 2⁸ = 613243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (613493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306749 + 306750.

It is an arithmetic number, because the mean of its divisors is an integer number (306750).

2⁶¹³⁴⁹⁹ is an apocalyptic number.

613499 is a deficient number, since it is larger than the sum of its proper divisors (1).

613499 is an equidigital number, since it uses as much as digits as its factorization.

613499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 32.

The square root of 613499 is about 783.2617697807. The cubic root of 613499 is about 84.9711089817.

The spelling of 613499 in words is "six hundred thirteen thousand, four hundred ninety-nine".