5217265 has 4 divisors (see below), whose sum is σ = 6260724. Its totient is φ = 4173808.

The previous prime is 5217263. The next prime is 5217271. The reversal of 5217265 is 5627125.

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 1308736 + 3908529 = 1144^2 + 1977^2 .

It is a cyclic number.

It is not a de Polignac number, because 5217265 - 2¹ = 5217263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5217263) 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, 521722 + ... + 521731.

It is an arithmetic number, because the mean of its divisors is an integer number (1565181).

Almost surely, 2^5217265 is an apocalyptic number.

It is an amenable number.

5217265 is a deficient number, since it is larger than the sum of its proper divisors (1043459).

5217265 is a wasteful number, since it uses less digits than its factorization.

5217265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043458.

The product of its digits is 4200, while the sum is 28.

The square root of 5217265 is about 2284.1333148483. The cubic root of 5217265 is about 173.4393479499.

It can be divided in two parts, 521726 and 5, that added together give a triangular number (521731 = T₁₀₂₁).

The spelling of 5217265 in words is "five million, two hundred seventeen thousand, two hundred sixty-five".