2001500253 has 16 divisors (see below), whose sum is σ = 3139608960. Its totient is φ = 1255843008.

The previous prime is 2001500251. The next prime is 2001500257. The reversal of 2001500253 is 3520051002.

It is a happy number.

It is not a de Polignac number, because 2001500253 - 2¹ = 2001500251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001500251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2179825 + ... + 2180742.

It is an arithmetic number, because the mean of its divisors is an integer number (196225560).

Almost surely, 2^2001500253 is an apocalyptic number.

It is an amenable number.

2001500253 is a deficient number, since it is larger than the sum of its proper divisors (1138108707).

2001500253 is a wasteful number, since it uses less digits than its factorization.

2001500253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360593 (or 4360587 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2001500253 is about 44738.1297441008. The cubic root of 2001500253 is about 1260.2360045452.

Adding to 2001500253 its reverse (3520051002), we get a palindrome (5521551255).

It can be divided in two parts, 200150025 and 3, that added together give a triangular number (200150028 = T₂₀₀₀₇).

The spelling of 2001500253 in words is "two billion, one million, five hundred thousand, two hundred fifty-three".