5280745 has 4 divisors (see below), whose sum is σ = 6336900. Its totient is φ = 4224592.

The previous prime is 5280733. The next prime is 5280773. The reversal of 5280745 is 5470825.

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 602176 + 4678569 = 776^2 + 2163^2 .

It is a cyclic number.

It is not a de Polignac number, because 5280745 - 2⁵ = 5280713 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 5³ + 2²² + 8⁶ + 0 + 7⁷ + 4 + 5⁴ .

It is an unprimeable number.

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, 528070 + ... + 528079.

It is an arithmetic number, because the mean of its divisors is an integer number (1584225).

Almost surely, 2^5280745 is an apocalyptic number.

It is an amenable number.

5280745 is a deficient number, since it is larger than the sum of its proper divisors (1056155).

5280745 is a wasteful number, since it uses less digits than its factorization.

5280745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056154.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 5280745 is about 2297.9871627144. The cubic root of 5280745 is about 174.1399433472.

The spelling of 5280745 in words is "five million, two hundred eighty thousand, seven hundred forty-five".