5218526 has 4 divisors (see below), whose sum is σ = 7827792. Its totient is φ = 2609262.

The previous prime is 5218519. The next prime is 5218529. The reversal of 5218526 is 6258125.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×5218526² = 54466027225352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218529) 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, 1304630 + ... + 1304633.

It is an arithmetic number, because the mean of its divisors is an integer number (1956948).

Almost surely, 2^5218526 is an apocalyptic number.

5218526 is a deficient number, since it is larger than the sum of its proper divisors (2609266).

5218526 is a wasteful number, since it uses less digits than its factorization.

5218526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609265.

The product of its digits is 4800, while the sum is 29.

The square root of 5218526 is about 2284.4093328473. The cubic root of 5218526 is about 173.4533201109.

The spelling of 5218526 in words is "five million, two hundred eighteen thousand, five hundred twenty-six".