4253021231 has 8 divisors (see below), whose sum is σ = 4296282144. Its totient is φ = 4209972480.

The previous prime is 4253021207. The next prime is 4253021251. The reversal of 4253021231 is 1321203524.

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 4253021231 - 2²² = 4248826927 is a prime.

It is a super-2 number, since 2×4253021231² = 36176379182673510722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4253021197 and 4253021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4253021251) 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, 12590 + ... + 93083.

It is an arithmetic number, because the mean of its divisors is an integer number (537035268).

Almost surely, 2^4253021231 is an apocalyptic number.

4253021231 is a deficient number, since it is larger than the sum of its proper divisors (43260913).

4253021231 is a wasteful number, since it uses less digits than its factorization.

4253021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106081.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4253021231 is about 65215.1917194146. The cubic root of 4253021231 is about 1620.1896377858.

Adding to 4253021231 its reverse (1321203524), we get a palindrome (5574224755).

The spelling of 4253021231 in words is "four billion, two hundred fifty-three million, twenty-one thousand, two hundred thirty-one".