4001452213 has 6 divisors (see below), whose sum is σ = 4398290582. Its totient is φ = 3637683720.

The previous prime is 4001452211. The next prime is 4001452223. The reversal of 4001452213 is 3122541004.

It can be written as a sum of positive squares in only one way, i.e., 3650938929 + 350513284 = 60423^2 + 18722^2 .

It is not a de Polignac number, because 4001452213 - 2¹ = 4001452211 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 (4001452211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16534806 + ... + 16535047.

Almost surely, 2^4001452213 is an apocalyptic number.

It is an amenable number.

4001452213 is a deficient number, since it is larger than the sum of its proper divisors (396838369).

4001452213 is a wasteful number, since it uses less digits than its factorization.

4001452213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33069875 (or 33069864 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4001452213 is about 63257.0329133449. The cubic root of 4001452213 is about 1587.5931324286.

Adding to 4001452213 its reverse (3122541004), we get a palindrome (7123993217).

The spelling of 4001452213 in words is "four billion, one million, four hundred fifty-two thousand, two hundred thirteen".