5215289 has 4 divisors (see below), whose sum is σ = 5261556. Its totient is φ = 5169024.

The previous prime is 5215279. The next prime is 5215297. The reversal of 5215289 is 9825125.

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 2274064 + 2941225 = 1508^2 + 1715^2 .

It is a cyclic number.

It is not a de Polignac number, because 5215289 - 2⁸ = 5215033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5215229) 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, 22964 + ... + 23189.

It is an arithmetic number, because the mean of its divisors is an integer number (1315389).

Almost surely, 2^5215289 is an apocalyptic number.

It is an amenable number.

5215289 is a deficient number, since it is larger than the sum of its proper divisors (46267).

5215289 is a wasteful number, since it uses less digits than its factorization.

5215289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46266.

The product of its digits is 7200, while the sum is 32.

The square root of 5215289 is about 2283.7007247010. The cubic root of 5215289 is about 173.4174489008.

The spelling of 5215289 in words is "five million, two hundred fifteen thousand, two hundred eighty-nine".