5213221526 has 4 divisors (see below), whose sum is σ = 7819832292. Its totient is φ = 2606610762.

The previous prime is 5213221493. The next prime is 5213221537. The reversal of 5213221526 is 6251223125.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303305380 + ... + 1303305383.

It is an arithmetic number, because the mean of its divisors is an integer number (1954958073).

Almost surely, 2^5213221526 is an apocalyptic number.

5213221526 is a deficient number, since it is larger than the sum of its proper divisors (2606610766).

5213221526 is a wasteful number, since it uses less digits than its factorization.

5213221526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606610765.

The product of its digits is 7200, while the sum is 29.

The square root of 5213221526 is about 72202.6420984717. The cubic root of 5213221526 is about 1733.9453016735.

The spelling of 5213221526 in words is "five billion, two hundred thirteen million, two hundred twenty-one thousand, five hundred twenty-six".