5215311 has 24 divisors (see below), whose sum is σ = 8087040. Its totient is φ = 3227136.

The previous prime is 5215303. The next prime is 5215313. The reversal of 5215311 is 1135125.

It is not a de Polignac number, because 5215311 - 2³ = 5215303 is a prime.

5215311 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215313) 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 in 23 ways as a sum of consecutive naturals, for example, 13426 + ... + 13808.

It is an arithmetic number, because the mean of its divisors is an integer number (336960).

Almost surely, 2^5215311 is an apocalyptic number.

5215311 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5215311 is a deficient number, since it is larger than the sum of its proper divisors (2871729).

5215311 is a wasteful number, since it uses less digits than its factorization.

5215311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 492 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 5215311 is about 2283.7055414392. The cubic root of 5215311 is about 173.4176927465.

It can be divided in two parts, 521 and 5311, that added together give a cube (5832 = 18³).

The spelling of 5215311 in words is "five million, two hundred fifteen thousand, three hundred eleven".