5421085 has 4 divisors (see below), whose sum is σ = 6505308. Its totient is φ = 4336864.

The previous prime is 5421071. The next prime is 5421089. The reversal of 5421085 is 5801245.

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 2452356 + 2968729 = 1566^2 + 1723^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421085 - 2⁹ = 5420573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421089) 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 3 ways as a sum of consecutive naturals, for example, 542104 + ... + 542113.

It is an arithmetic number, because the mean of its divisors is an integer number (1626327).

Almost surely, 2^5421085 is an apocalyptic number.

It is an amenable number.

5421085 is a deficient number, since it is larger than the sum of its proper divisors (1084223).

5421085 is a wasteful number, since it uses less digits than its factorization.

5421085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084222.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 5421085 is about 2328.3223574067. The cubic root of 5421085 is about 175.6691118620.

It can be divided in two parts, 542 and 1085, that multiplied together give a triangular number (588070 = T₁₀₈₄).

The spelling of 5421085 in words is "five million, four hundred twenty-one thousand, eighty-five".