611552 has 24 divisors (see below), whose sum is σ = 1247400. Its totient is φ = 294784.

The previous prime is 611551. The next prime is 611557. The reversal of 611552 is 255116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611551) 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, 599 + ... + 1257.

It is an arithmetic number, because the mean of its divisors is an integer number (51975).

2⁶¹¹⁵⁵² 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 611552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623700).

611552 is an abundant number, since it is smaller than the sum of its proper divisors (635848).

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

611552 is a wasteful number, since it uses less digits than its factorization.

611552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 690 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 611552 is about 782.0179026084. The cubic root of 611552 is about 84.8811256399.

Adding to 611552 its reverse (255116), we get a palindrome (866668).

The spelling of 611552 in words is "six hundred eleven thousand, five hundred fifty-two".