561873962 has 16 divisors (see below), whose sum is σ = 913020360. Its totient is φ = 259324416.

The previous prime is 561873937. The next prime is 561873967. The reversal of 561873962 is 269378165.

It can be written as a sum of positive squares in 4 ways, for example, as 91374481 + 470499481 = 9559^2 + 21691^2 .

It is not an unprimeable number, because it can be changed into a prime (561873967) 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 7 ways as a sum of consecutive naturals, for example, 59543 + ... + 68330.

Almost surely, 2^561873962 is an apocalyptic number.

561873962 is a deficient number, since it is larger than the sum of its proper divisors (351146398).

561873962 is a wasteful number, since it uses less digits than its factorization.

561873962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127914 (or 127888 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 561873962 is about 23703.8807371283. The cubic root of 561873962 is about 825.1754567745.

The spelling of 561873962 in words is "five hundred sixty-one million, eight hundred seventy-three thousand, nine hundred sixty-two".