561419 has 2 divisors, whose sum is σ = 561420. Its totient is φ = 561418.

The previous prime is 561409. The next prime is 561439. The reversal of 561419 is 914165.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561419 is a prime.

It is a super-2 number, since 2×561419² = 630382587122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (561409) 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 as a sum of consecutive naturals, namely, 280709 + 280710.

It is an arithmetic number, because the mean of its divisors is an integer number (280710).

2⁵⁶¹⁴¹⁹ is an apocalyptic number.

561419 is a deficient number, since it is larger than the sum of its proper divisors (1).

561419 is an equidigital number, since it uses as much as digits as its factorization.

561419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 561419 is about 749.2789867599. The cubic root of 561419 is about 82.4952675584.

The spelling of 561419 in words is "five hundred sixty-one thousand, four hundred nineteen".