2001512 has 16 divisors (see below), whose sum is σ = 3973860. Its totient is φ = 941824.

The previous prime is 2001511. The next prime is 2001533. The reversal of 2001512 is 2151002.

It can be written as a sum of positive squares in 2 ways, for example, as 1999396 + 2116 = 1414^2 + 46^2 .

It is a super-2 number, since 2×2001512² = 8012100572288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001493 and 2001502.

It is not an unprimeable number, because it can be changed into a prime (2001511) 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, 7223 + ... + 7494.

2^2001512 is an apocalyptic number.

It is an amenable number.

2001512 is a deficient number, since it is larger than the sum of its proper divisors (1972348).

2001512 is a wasteful number, since it uses less digits than its factorization.

2001512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14740 (or 14736 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2001512 is about 1414.7480341036. The cubic root of 2001512 is about 126.0238470023.

Adding to 2001512 its reverse (2151002), we get a palindrome (4152514).

The spelling of 2001512 in words is "two million, one thousand, five hundred twelve".