5209215 has 32 divisors (see below), whose sum is σ = 9199872. Its totient is φ = 2496000.

The previous prime is 5209177. The next prime is 5209279. The reversal of 5209215 is 5129025.

It is not a de Polignac number, because 5209215 - 2¹³ = 5201023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21495 + ... + 21735.

It is an arithmetic number, because the mean of its divisors is an integer number (287496).

Almost surely, 2^5209215 is an apocalyptic number.

5209215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5209215 is a deficient number, since it is larger than the sum of its proper divisors (3990657).

5209215 is a wasteful number, since it uses less digits than its factorization.

5209215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 5209215 is about 2282.3704782528. The cubic root of 5209215 is about 173.3500990522.

The spelling of 5209215 in words is "five million, two hundred nine thousand, two hundred fifteen".