2001510242 has 4 divisors (see below), whose sum is σ = 3002265366. Its totient is φ = 1000755120.

The previous prime is 2001510193. The next prime is 2001510289. The reversal of 2001510242 is 2420151002.

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

It can be written as a sum of positive squares in only one way, i.e., 1999073521 + 2436721 = 44711^2 + 1561^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001510242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500377559 + ... + 500377562.

Almost surely, 2^2001510242 is an apocalyptic number.

2001510242 is a deficient number, since it is larger than the sum of its proper divisors (1000755124).

2001510242 is a wasteful number, since it uses less digits than its factorization.

2001510242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000755123.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2001510242 is about 44738.2413825130. The cubic root of 2001510242 is about 1260.2381010520.

Adding to 2001510242 its reverse (2420151002), we get a palindrome (4421661244).

The spelling of 2001510242 in words is "two billion, one million, five hundred ten thousand, two hundred forty-two".