5215249 has 4 divisors (see below), whose sum is σ = 5616436. Its totient is φ = 4814064.

The previous prime is 5215247. The next prime is 5215267. The reversal of 5215249 is 9425125.

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 3441025 + 1774224 = 1855^2 + 1332^2 .

It is a cyclic number.

It is not a de Polignac number, because 5215249 - 2¹ = 5215247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5215247) 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, 200574 + ... + 200599.

It is an arithmetic number, because the mean of its divisors is an integer number (1404109).

Almost surely, 2^5215249 is an apocalyptic number.

It is an amenable number.

5215249 is a deficient number, since it is larger than the sum of its proper divisors (401187).

5215249 is a wasteful number, since it uses less digits than its factorization.

5215249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401186.

The product of its digits is 3600, while the sum is 28.

The square root of 5215249 is about 2283.6919669693. The cubic root of 5215249 is about 173.4170055431.

The spelling of 5215249 in words is "five million, two hundred fifteen thousand, two hundred forty-nine".