611197 has 4 divisors (see below), whose sum is σ = 617596. Its totient is φ = 604800.

The previous prime is 611189. The next prime is 611207. The reversal of 611197 is 791116.

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 326041 + 285156 = 571^2 + 534^2 .

It is a cyclic number.

It is not a de Polignac number, because 611197 - 2³ = 611189 is a prime.

It is a Duffinian number.

611197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611137) 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, 3054 + ... + 3247.

It is an arithmetic number, because the mean of its divisors is an integer number (154399).

2⁶¹¹¹⁹⁷ is an apocalyptic number.

It is an amenable number.

611197 is a deficient number, since it is larger than the sum of its proper divisors (6399).

611197 is an equidigital number, since it uses as much as digits as its factorization.

611197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6398.

The product of its digits is 378, while the sum is 25.

The square root of 611197 is about 781.7908927584. The cubic root of 611197 is about 84.8646982377.

It can be divided in two parts, 611 and 197, that added together give a palindrome (808).

The spelling of 611197 in words is "six hundred eleven thousand, one hundred ninety-seven".