5215279 has 2 divisors, whose sum is σ = 5215280. Its totient is φ = 5215278.

The previous prime is 5215271. The next prime is 5215297. The reversal of 5215279 is 9725125.

Together with next prime (5215297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5215279 - 2³ = 5215271 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5215279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607639 + 2607640.

It is an arithmetic number, because the mean of its divisors is an integer number (2607640).

Almost surely, 2^5215279 is an apocalyptic number.

5215279 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215279 is an equidigital number, since it uses as much as digits as its factorization.

5215279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 31.

The square root of 5215279 is about 2283.6985352712. The cubic root of 5215279 is about 173.4173380616.

The spelling of 5215279 in words is "five million, two hundred fifteen thousand, two hundred seventy-nine".