613607 has 2 divisors, whose sum is σ = 613608. Its totient is φ = 613606.

The previous prime is 613597. The next prime is 613609. The reversal of 613607 is 706316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 613607 - 2¹⁰ = 612583 is a prime.

Together with 613609, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306803 + 306804.

It is an arithmetic number, because the mean of its divisors is an integer number (306804).

2⁶¹³⁶⁰⁷ is an apocalyptic number.

613607 is a deficient number, since it is larger than the sum of its proper divisors (1).

613607 is an equidigital number, since it uses as much as digits as its factorization.

613607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 613607 is about 783.3307092155. The cubic root of 613607 is about 84.9760947770.

The spelling of 613607 in words is "six hundred thirteen thousand, six hundred seven".