613967 has 2 divisors, whose sum is σ = 613968. Its totient is φ = 613966.

The previous prime is 613957. The next prime is 613969. The reversal of 613967 is 769316.

It is a strong prime.

613967 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 613967 - 2⁶ = 613903 is a prime.

Together with 613969, 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 (613969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306983 + 306984.

It is an arithmetic number, because the mean of its divisors is an integer number (306984).

2⁶¹³⁹⁶⁷ is an apocalyptic number.

613967 is a deficient number, since it is larger than the sum of its proper divisors (1).

613967 is an equidigital number, since it uses as much as digits as its factorization.

613967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 32.

The square root of 613967 is about 783.5604635253. The cubic root of 613967 is about 84.9927098707.

The spelling of 613967 in words is "six hundred thirteen thousand, nine hundred sixty-seven".