561935232 has 160 divisors (see below), whose sum is σ = 1695050280. Its totient is φ = 184771584.

The previous prime is 561935207. The next prime is 561935263. The reversal of 561935232 is 232539165.

561935232 is a `hidden beast` number, since 5 + 619 + 3 + 5 + 2 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 860218 + ... + 860870.

Almost surely, 2^561935232 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 561935232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847525140).

561935232 is an abundant number, since it is smaller than the sum of its proper divisors (1133115048).

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

561935232 is an equidigital number, since it uses as much as digits as its factorization.

561935232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 741 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 561935232 is about 23705.1731063074. The cubic root of 561935232 is about 825.2054496591.

It can be divided in two parts, 56193 and 5232, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 561935232 in words is "five hundred sixty-one million, nine hundred thirty-five thousand, two hundred thirty-two".