4001233253 has 4 divisors (see below), whose sum is σ = 4046191020. Its totient is φ = 3956275488.

The previous prime is 4001233217. The next prime is 4001233259. The reversal of 4001233253 is 3523321004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2130930244 + 1870303009 = 46162^2 + 43247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4001233253 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 (4001233259) 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, 22478750 + ... + 22478927.

It is an arithmetic number, because the mean of its divisors is an integer number (1011547755).

Almost surely, 2^4001233253 is an apocalyptic number.

It is an amenable number.

4001233253 is a deficient number, since it is larger than the sum of its proper divisors (44957767).

4001233253 is an equidigital number, since it uses as much as digits as its factorization.

4001233253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44957766.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 4001233253 is about 63255.3021730195. The cubic root of 4001233253 is about 1587.5641741309.

Adding to 4001233253 its reverse (3523321004), we get a palindrome (7524554257).

The spelling of 4001233253 in words is "four billion, one million, two hundred thirty-three thousand, two hundred fifty-three".