613711 has 8 divisors (see below), whose sum is σ = 711584. Its totient is φ = 518400.

The previous prime is 613699. The next prime is 613733. The reversal of 613711 is 117316.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 8-Lehmer number, since φ(613711) divides (613711-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 613711 - 2⁹ = 613199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (88948).

2⁶¹³⁷¹¹ is an apocalyptic number.

613711 is a deficient number, since it is larger than the sum of its proper divisors (97873).

613711 is a wasteful number, since it uses less digits than its factorization.

613711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281.

The product of its digits is 126, while the sum is 19.

The square root of 613711 is about 783.3970896040. The cubic root of 613711 is about 84.9808953603.

The spelling of 613711 in words is "six hundred thirteen thousand, seven hundred eleven".