5421065 has 8 divisors (see below), whose sum is σ = 7005768. Its totient is φ = 4003200.

The previous prime is 5421047. The next prime is 5421071. The reversal of 5421065 is 5601245.

5421065 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 259081 + 5161984 = 509^2 + 2272^2 .

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

It is not a de Polignac number, because 5421065 - 2¹⁸ = 5158921 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5421065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41636 + ... + 41765.

It is an arithmetic number, because the mean of its divisors is an integer number (875721).

Almost surely, 2^5421065 is an apocalyptic number.

It is an amenable number.

5421065 is a deficient number, since it is larger than the sum of its proper divisors (1584703).

5421065 is a wasteful number, since it uses less digits than its factorization.

5421065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83419.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5421065 is about 2328.3180624648. The cubic root of 5421065 is about 175.6688958298.

The spelling of 5421065 in words is "five million, four hundred twenty-one thousand, sixty-five".