561354 has 8 divisors (see below), whose sum is σ = 1122720. Its totient is φ = 187116.

The previous prime is 561347. The next prime is 561359. The reversal of 561354 is 453165.

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

561354 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (561359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46774 + ... + 46785.

It is an arithmetic number, because the mean of its divisors is an integer number (140340).

2⁵⁶¹³⁵⁴ is an apocalyptic number.

561354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

561354 is a wasteful number, since it uses less digits than its factorization.

561354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93564.

The product of its digits is 1800, while the sum is 24.

The square root of 561354 is about 749.2356104724. The cubic root of 561354 is about 82.4920837216.

The spelling of 561354 in words is "five hundred sixty-one thousand, three hundred fifty-four".