561345462 has 24 divisors (see below), whose sum is σ = 1280262360. Its totient is φ = 177266880.

The previous prime is 561345451. The next prime is 561345469. The reversal of 561345462 is 264543165.

561345462 is a `hidden beast` number, since 561 + 34 + 5 + 4 + 62 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561345469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820339 + ... + 821022.

It is an arithmetic number, because the mean of its divisors is an integer number (53344265).

Almost surely, 2^561345462 is an apocalyptic number.

561345462 is an abundant number, since it is smaller than the sum of its proper divisors (718916898).

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

561345462 is a wasteful number, since it uses less digits than its factorization.

561345462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641388 (or 1641385 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 561345462 is about 23692.7301508290. The cubic root of 561345462 is about 824.9166549413.

The spelling of 561345462 in words is "five hundred sixty-one million, three hundred forty-five thousand, four hundred sixty-two".