5236235021 has 4 divisors (see below), whose sum is σ = 5239890492. Its totient is φ = 5232579552.

The previous prime is 5236234979. The next prime is 5236235029. The reversal of 5236235021 is 1205326325.

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 4947574921 + 288660100 = 70339^2 + 16990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5236235021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5236235029) 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, 1825586 + ... + 1828451.

It is an arithmetic number, because the mean of its divisors is an integer number (1309972623).

Almost surely, 2^5236235021 is an apocalyptic number.

It is an amenable number.

5236235021 is a deficient number, since it is larger than the sum of its proper divisors (3655471).

5236235021 is a wasteful number, since it uses less digits than its factorization.

5236235021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655470.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 5236235021 is about 72361.8340079907. The cubic root of 5236235021 is about 1736.4930268285.

The spelling of 5236235021 in words is "five billion, two hundred thirty-six million, two hundred thirty-five thousand, twenty-one".