2001510241 has 4 divisors (see below), whose sum is σ = 2001604500. Its totient is φ = 2001415984.

The previous prime is 2001510193. The next prime is 2001510289. The reversal of 2001510241 is 1420151002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1420151002 = 2 ⋅710075501.

It is an interprime number because it is at equal distance from previous prime (2001510193) and next prime (2001510289).

It can be written as a sum of positive squares in 2 ways, for example, as 1582448400 + 419061841 = 39780^2 + 20471^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001510241 - 2⁹ = 2001509729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001510541) 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, 1335 + ... + 63283.

It is an arithmetic number, because the mean of its divisors is an integer number (500401125).

Almost surely, 2^2001510241 is an apocalyptic number.

It is an amenable number.

2001510241 is a deficient number, since it is larger than the sum of its proper divisors (94259).

2001510241 is an equidigital number, since it uses as much as digits as its factorization.

2001510241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94258.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2001510241 is about 44738.2413713369. The cubic root of 2001510241 is about 1260.2381008421.

Adding to 2001510241 its reverse (1420151002), we get a palindrome (3421661243).

It can be divided in two parts, 200 and 1510241, that added together give a square (1510441 = 1229²).

The spelling of 2001510241 in words is "two billion, one million, five hundred ten thousand, two hundred forty-one".