5419781 has 4 divisors (see below), whose sum is σ = 5606700. Its totient is φ = 5232864.

The previous prime is 5419759. The next prime is 5419783. The reversal of 5419781 is 1879145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1359556 + 4060225 = 1166^2 + 2015^2 .

It is a cyclic number.

It is not a de Polignac number, because 5419781 - 2¹⁰ = 5418757 is a prime.

It is a super-2 number, since 2×5419781² = 58748052175922, 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 (5419783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93416 + ... + 93473.

It is an arithmetic number, because the mean of its divisors is an integer number (1401675).

Almost surely, 2^5419781 is an apocalyptic number.

It is an amenable number.

5419781 is a deficient number, since it is larger than the sum of its proper divisors (186919).

5419781 is a wasteful number, since it uses less digits than its factorization.

5419781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186918.

The product of its digits is 10080, while the sum is 35.

The square root of 5419781 is about 2328.0423106121. The cubic root of 5419781 is about 175.6550254512.

The spelling of 5419781 in words is "five million, four hundred nineteen thousand, seven hundred eighty-one".