611312 has 20 divisors (see below), whose sum is σ = 1275960. Its totient is φ = 282048.

The previous prime is 611297. The next prime is 611323. The reversal of 611312 is 213116.

611312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×611312² = 747404722688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (63798).

2⁶¹¹³¹² is an apocalyptic number.

It is an amenable number.

611312 is an abundant number, since it is smaller than the sum of its proper divisors (664648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611312 is a wasteful number, since it uses less digits than its factorization.

611312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960 (or 2954 counting only the distinct ones).

The product of its digits is 36, while the sum is 14.

The square root of 611312 is about 781.8644383779. The cubic root of 611312 is about 84.8700204869.

Adding to 611312 its reverse (213116), we get a palindrome (824428).

The spelling of 611312 in words is "six hundred eleven thousand, three hundred twelve".