5230436021 has 4 divisors (see below), whose sum is σ = 5352074112. Its totient is φ = 5108797932.

The previous prime is 5230436017. The next prime is 5230436041. The reversal of 5230436021 is 1206340325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5230436021 - 2² = 5230436017 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 (5230436041) 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, 60818981 + ... + 60819066.

It is an arithmetic number, because the mean of its divisors is an integer number (1338018528).

Almost surely, 2^5230436021 is an apocalyptic number.

It is an amenable number.

5230436021 is a deficient number, since it is larger than the sum of its proper divisors (121638091).

5230436021 is a wasteful number, since it uses less digits than its factorization.

5230436021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121638090.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 5230436021 is about 72321.7534425155. The cubic root of 5230436021 is about 1735.8517490970.

Adding to 5230436021 its reverse (1206340325), we get a palindrome (6436776346).

The spelling of 5230436021 in words is "five billion, two hundred thirty million, four hundred thirty-six thousand, twenty-one".