5178065 has 4 divisors (see below), whose sum is σ = 6213684. Its totient is φ = 4142448.

The previous prime is 5178053. The next prime is 5178067. The reversal of 5178065 is 5608715.

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 2879809 + 2298256 = 1697^2 + 1516^2 .

It is a cyclic number.

It is not a de Polignac number, because 5178065 - 2⁴ = 5178049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5178067) 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, 517802 + ... + 517811.

It is an arithmetic number, because the mean of its divisors is an integer number (1553421).

Almost surely, 2^5178065 is an apocalyptic number.

It is an amenable number.

5178065 is a deficient number, since it is larger than the sum of its proper divisors (1035619).

5178065 is a wasteful number, since it uses less digits than its factorization.

5178065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035618.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 5178065 is about 2275.5362005470. The cubic root of 5178065 is about 173.0038757527.

The spelling of 5178065 in words is "five million, one hundred seventy-eight thousand, sixty-five".