561541346 has 8 divisors (see below), whose sum is σ = 843275100. Its totient is φ = 280449648.

The previous prime is 561541319. The next prime is 561541361. The reversal of 561541346 is 643145165.

It can be written as a sum of positive squares in 2 ways, for example, as 558802321 + 2739025 = 23639^2 + 1655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 158321 + ... + 161828.

Almost surely, 2^561541346 is an apocalyptic number.

561541346 is a deficient number, since it is larger than the sum of its proper divisors (281733754).

561541346 is a wasteful number, since it uses less digits than its factorization.

561541346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321028.

The product of its digits is 43200, while the sum is 35.

The square root of 561541346 is about 23696.8636321349. The cubic root of 561541346 is about 825.0125965631.

The spelling of 561541346 in words is "five hundred sixty-one million, five hundred forty-one thousand, three hundred forty-six".