5278165 has 8 divisors (see below), whose sum is σ = 6365088. Its totient is φ = 4201680.

The previous prime is 5278151. The next prime is 5278171. The reversal of 5278165 is 5618725.

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

It is not a de Polignac number, because 5278165 - 2⁷ = 5278037 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 5278165.

It is a congruent number.

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, 1447 + ... + 3556.

It is an arithmetic number, because the mean of its divisors is an integer number (795636).

Almost surely, 2^5278165 is an apocalyptic number.

It is an amenable number.

5278165 is a deficient number, since it is larger than the sum of its proper divisors (1086923).

5278165 is a wasteful number, since it uses less digits than its factorization.

5278165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219.

The product of its digits is 16800, while the sum is 34.

The square root of 5278165 is about 2297.4257332937. The cubic root of 5278165 is about 174.1115790260. Note that the first 3 decimals are identical.

The spelling of 5278165 in words is "five million, two hundred seventy-eight thousand, one hundred sixty-five".