2005501 has 4 divisors (see below), whose sum is σ = 2024352. Its totient is φ = 1986652.

The previous prime is 2005499. The next prime is 2005519. The reversal of 2005501 is 1055002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2005501 - 2¹ = 2005499 is a prime.

It is a super-2 number, since 2×2005501² = 8044068522002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005571) 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, 9265 + ... + 9478.

It is an arithmetic number, because the mean of its divisors is an integer number (506088).

2^2005501 is an apocalyptic number.

It is an amenable number.

2005501 is a deficient number, since it is larger than the sum of its proper divisors (18851).

2005501 is a wasteful number, since it uses less digits than its factorization.

2005501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18850.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 2005501 is about 1416.1571240509. The cubic root of 2005501 is about 126.1075130057.

The spelling of 2005501 in words is "two million, five thousand, five hundred one".