5221515 has 16 divisors (see below), whose sum is σ = 8997408. Its totient is φ = 2570496.

The previous prime is 5221501. The next prime is 5221543. The reversal of 5221515 is 5151225.

It is not a de Polignac number, because 5221515 - 2⁶ = 5221451 is a prime.

It is a zygodrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 5221491 and 5221500.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13194 + ... + 13583.

It is an arithmetic number, because the mean of its divisors is an integer number (562338).

Almost surely, 2^5221515 is an apocalyptic number.

5221515 is a deficient number, since it is larger than the sum of its proper divisors (3775893).

5221515 is a wasteful number, since it uses less digits than its factorization.

5221515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26798.

The product of its digits is 500, while the sum is 21.

The square root of 5221515 is about 2285.0634564493. The cubic root of 5221515 is about 173.4864299087.

It can be divided in two parts, 52215 and 15, that multiplied together give a square (783225 = 885²).

The spelling of 5221515 in words is "five million, two hundred twenty-one thousand, five hundred fifteen".