5231504021 has 8 divisors (see below), whose sum is σ = 5323778304. Its totient is φ = 5139439920.

The previous prime is 5231504011. The next prime is 5231504063. The reversal of 5231504021 is 1204051325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5231504021 - 2¹⁴ = 5231487637 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 (5231504011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901 + ... + 102306.

It is an arithmetic number, because the mean of its divisors is an integer number (665472288).

Almost surely, 2^5231504021 is an apocalyptic number.

It is an amenable number.

5231504021 is a deficient number, since it is larger than the sum of its proper divisors (92274283).

5231504021 is a wasteful number, since it uses less digits than its factorization.

5231504021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105091.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5231504021 is about 72329.1367361729. The cubic root of 5231504021 is about 1735.9698886105.

Adding to 5231504021 its reverse (1204051325), we get a palindrome (6435555346).

The spelling of 5231504021 in words is "five billion, two hundred thirty-one million, five hundred four thousand, twenty-one".