611713 has 4 divisors (see below), whose sum is σ = 613588. Its totient is φ = 609840.

The previous prime is 611707. The next prime is 611729. The reversal of 611713 is 317116.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 278784 + 332929 = 528^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 611713 - 2¹³ = 603521 is a prime.

It is a Duffinian number.

611713 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (611753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306 + ... + 1147.

It is an arithmetic number, because the mean of its divisors is an integer number (153397).

2⁶¹¹⁷¹³ is an apocalyptic number.

It is an amenable number.

611713 is a deficient number, since it is larger than the sum of its proper divisors (1875).

611713 is a wasteful number, since it uses less digits than its factorization.

611713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874.

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

The square root of 611713 is about 782.1208346541. The cubic root of 611713 is about 84.8885737186. Note that the first 3 decimals are identical.

Adding to 611713 its reverse (317116), we get a palindrome (928829).

The spelling of 611713 in words is "six hundred eleven thousand, seven hundred thirteen".