561341019 has 12 divisors (see below), whose sum is σ = 759181688. Its totient is φ = 368870400.

The previous prime is 561341009. The next prime is 561341021. The reversal of 561341019 is 910143165.

561341019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 561341019 - 2⁵ = 561340987 is a prime.

It is a super-2 number, since 2×561341019² = 630207479223916722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561341009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 349819 + ... + 351419.

Almost surely, 2^561341019 is an apocalyptic number.

561341019 is a deficient number, since it is larger than the sum of its proper divisors (197840669).

561341019 is an frugal number, since it uses more digits than its factorization.

561341019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278 (or 1677 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 561341019 is about 23692.6363877049. The cubic root of 561341019 is about 824.9144785546.

The spelling of 561341019 in words is "five hundred sixty-one million, three hundred forty-one thousand, nineteen".