5233736521 has 4 divisors (see below), whose sum is σ = 5636331652. Its totient is φ = 4831141392.

The previous prime is 5233736507. The next prime is 5233736537. The reversal of 5233736521 is 1256373325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 648415296 + 4585321225 = 25464^2 + 67715^2 .

It is a cyclic number.

It is not a de Polignac number, because 5233736521 - 2⁷ = 5233736393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5233736821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201297546 + ... + 201297571.

It is an arithmetic number, because the mean of its divisors is an integer number (1409082913).

Almost surely, 2^5233736521 is an apocalyptic number.

It is an amenable number.

5233736521 is a deficient number, since it is larger than the sum of its proper divisors (402595131).

5233736521 is a wasteful number, since it uses less digits than its factorization.

5233736521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402595130.

The product of its digits is 113400, while the sum is 37.

The square root of 5233736521 is about 72344.5680130858. The cubic root of 5233736521 is about 1736.2167903049.

The spelling of 5233736521 in words is "five billion, two hundred thirty-three million, seven hundred thirty-six thousand, five hundred twenty-one".