2561419 has 8 divisors (see below), whose sum is σ = 2940128. Its totient is φ = 2185920.

The previous prime is 2561411. The next prime is 2561423. The reversal of 2561419 is 9141652.

2561419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2561419 - 2³ = 2561411 is a prime.

It is a super-2 number, since 2×2561419² = 13121734587122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2561411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1279 + ... + 2599.

It is an arithmetic number, because the mean of its divisors is an integer number (367516).

2^2561419 is an apocalyptic number.

2561419 is a deficient number, since it is larger than the sum of its proper divisors (378709).

2561419 is a wasteful number, since it uses less digits than its factorization.

2561419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605.

The product of its digits is 2160, while the sum is 28.

The square root of 2561419 is about 1600.4433760680. The cubic root of 2561419 is about 136.8233466475.

The spelling of 2561419 in words is "two million, five hundred sixty-one thousand, four hundred nineteen".