561003432 has 48 divisors (see below), whose sum is σ = 1541608320. Its totient is φ = 170000160.

The previous prime is 561003431. The next prime is 561003433. The reversal of 561003432 is 234300165.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (561003431) and next prime (561003433).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (561003431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93688 + ... + 99495.

It is an arithmetic number, because the mean of its divisors is an integer number (32116840).

Almost surely, 2^561003432 is an apocalyptic number.

It is an amenable number.

561003432 is an abundant number, since it is smaller than the sum of its proper divisors (980604888).

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

561003432 is a wasteful number, since it uses less digits than its factorization.

561003432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193214 (or 193199 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 561003432 is about 23685.5110141200. The cubic root of 561003432 is about 824.7490792467.

Adding to 561003432 its reverse (234300165), we get a palindrome (795303597).

The spelling of 561003432 in words is "five hundred sixty-one million, three thousand, four hundred thirty-two".