1030913 has 4 divisors (see below), whose sum is σ = 1110228. Its totient is φ = 951600.

The previous prime is 1030889. The next prime is 1030919. The reversal of 1030913 is 3190301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 478864 + 552049 = 692^2 + 743^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1030913 is a prime.

It is a super-2 number, since 2×1030913² = 2125563227138, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030891 and 1030900.

It is not an unprimeable number, because it can be changed into a prime (1030919) 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, 39638 + ... + 39663.

It is an arithmetic number, because the mean of its divisors is an integer number (277557).

2^1030913 is an apocalyptic number.

1030913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1030913 is a deficient number, since it is larger than the sum of its proper divisors (79315).

1030913 is an equidigital number, since it uses as much as digits as its factorization.

1030913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79314.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1030913 is about 1015.3388596917. The cubic root of 1030913 is about 101.0199940811.

The spelling of 1030913 in words is "one million, thirty thousand, nine hundred thirteen".