5120365 has 4 divisors (see below), whose sum is σ = 6144444. Its totient is φ = 4096288.

The previous prime is 5120359. The next prime is 5120371. The reversal of 5120365 is 5630215.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5630215 = 5 ⋅1126043.

It is an interprime number because it is at equal distance from previous prime (5120359) and next prime (5120371).

It can be written as a sum of positive squares in 2 ways, for example, as 1976836 + 3143529 = 1406^2 + 1773^2 .

It is a cyclic number.

It is not a de Polignac number, because 5120365 - 2⁵ = 5120333 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 512032 + ... + 512041.

It is an arithmetic number, because the mean of its divisors is an integer number (1536111).

Almost surely, 2^5120365 is an apocalyptic number.

It is an amenable number.

5120365 is a deficient number, since it is larger than the sum of its proper divisors (1024079).

5120365 is a wasteful number, since it uses less digits than its factorization.

5120365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024078.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5120365 is about 2262.8223527268. The cubic root of 5120365 is about 172.3588707753.

The spelling of 5120365 in words is "five million, one hundred twenty thousand, three hundred sixty-five".