1005607 has 4 divisors (see below), whose sum is σ = 1030176. Its totient is φ = 981040.

The previous prime is 1005593. The next prime is 1005617. The reversal of 1005607 is 7065001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7065001 = 2221 ⋅3181.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005607 is a prime.

It is a super-2 number, since 2×1005607² = 2022490876898, 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 (1005617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12223 + ... + 12304.

It is an arithmetic number, because the mean of its divisors is an integer number (257544).

2^1005607 is an apocalyptic number.

1005607 is a deficient number, since it is larger than the sum of its proper divisors (24569).

1005607 is an equidigital number, since it uses as much as digits as its factorization.

1005607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24568.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1005607 is about 1002.7995811726. The cubic root of 1005607 is about 100.1865517680.

The spelling of 1005607 in words is "one million, five thousand, six hundred seven".