611345232 has 80 divisors (see below), whose sum is σ = 1776552960. Its totient is φ = 203770080.

The previous prime is 611345173. The next prime is 611345239. The reversal of 611345232 is 232543116.

611345232 is a `hidden beast` number, since 6 + 1 + 134 + 523 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 611345196 and 611345205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611345239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26257 + ... + 43727.

It is an arithmetic number, because the mean of its divisors is an integer number (22206912).

Almost surely, 2^611345232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611345232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888276480).

611345232 is an abundant number, since it is smaller than the sum of its proper divisors (1165207728).

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

611345232 is an equidigital number, since it uses as much as digits as its factorization.

611345232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17500 (or 17476 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 611345232 is about 24725.3964983375. The cubic root of 611345232 is about 848.7155835380.

Adding to 611345232 its reverse (232543116), we get a palindrome (843888348).

It can be divided in two parts, 61134 and 5232, that added together give a palindrome (66366).

The spelling of 611345232 in words is "six hundred eleven million, three hundred forty-five thousand, two hundred thirty-two".