1005501 has 8 divisors (see below), whose sum is σ = 1532224. Its totient is φ = 574560.

The previous prime is 1005493. The next prime is 1005503. The reversal of 1005501 is 1055001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1005501 - 2³ = 1005493 is a prime.

It is a super-2 number, since 2×1005501² = 2022064522002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23920 + ... + 23961.

It is an arithmetic number, because the mean of its divisors is an integer number (191528).

2^1005501 is an apocalyptic number.

It is an amenable number.

1005501 is a deficient number, since it is larger than the sum of its proper divisors (526723).

1005501 is an equidigital number, since it uses as much as digits as its factorization.

1005501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47891.

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 1005501 is about 1002.7467277434. The cubic root of 1005501 is about 100.1830314571.

The spelling of 1005501 in words is "one million, five thousand, five hundred one".