2006501 has 6 divisors (see below), whose sum is σ = 2334150. Its totient is φ = 1719816.

The previous prime is 2006491. The next prime is 2006503. The reversal of 2006501 is 1056002.

It can be written as a sum of positive squares in only one way, i.e., 1677025 + 329476 = 1295^2 + 574^2 .

It is not a de Polignac number, because 2006501 - 2⁶ = 2006437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20426 + ... + 20523.

It is an arithmetic number, because the mean of its divisors is an integer number (389025).

2^2006501 is an apocalyptic number.

It is an amenable number.

2006501 is a deficient number, since it is larger than the sum of its proper divisors (327649).

2006501 is an equidigital number, since it uses as much as digits as its factorization.

2006501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40963 (or 40956 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2006501 is about 1416.5101482164. The cubic root of 2006501 is about 126.1284697905.

The spelling of 2006501 in words is "two million, six thousand, five hundred one".