5631006021 has 8 divisors (see below), whose sum is σ = 7546910400. Its totient is φ = 3734552832.

The previous prime is 5631005957. The next prime is 5631006053. The reversal of 5631006021 is 1206001365.

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

It is not a de Polignac number, because 5631006021 - 2⁶ = 5631005957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5631005982 and 5631006000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631006091) 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, 4862121 + ... + 4863278.

It is an arithmetic number, because the mean of its divisors is an integer number (943363800).

Almost surely, 2^5631006021 is an apocalyptic number.

It is an amenable number.

5631006021 is a deficient number, since it is larger than the sum of its proper divisors (1915904379).

5631006021 is a wasteful number, since it uses less digits than its factorization.

5631006021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9725595.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 5631006021 is about 75040.0294576168. The cubic root of 5631006021 is about 1779.0793982336.

Adding to 5631006021 its reverse (1206001365), we get a palindrome (6837007386).

The spelling of 5631006021 in words is "five billion, six hundred thirty-one million, six thousand, twenty-one".