1000913 has 4 divisors (see below), whose sum is σ = 1015920. Its totient is φ = 985908.

The previous prime is 1000907. The next prime is 1000919. The reversal of 1000913 is 3190001.

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 an interprime number because it is at equal distance from previous prime (1000907) and next prime (1000919).

It is a cyclic number.

It is not a de Polignac number, because 1000913 - 2⁶ = 1000849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000919) 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, 7403 + ... + 7536.

It is an arithmetic number, because the mean of its divisors is an integer number (253980).

2^1000913 is an apocalyptic number.

It is an amenable number.

1000913 is a deficient number, since it is larger than the sum of its proper divisors (15007).

1000913 is an equidigital number, since it uses as much as digits as its factorization.

1000913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15006.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1000913 is about 1000.4563958514. The cubic root of 1000913 is about 100.0304240762.

Adding to 1000913 its reverse (3190001), we get a palindrome (4190914).

The spelling of 1000913 in words is "one million, nine hundred thirteen", and thus it is an aban number.