1005113 has 4 divisors (see below), whose sum is σ = 1037568. Its totient is φ = 972660.

The previous prime is 1005107. The next prime is 1005131. The reversal of 1005113 is 3115001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3115001 = 379 ⋅8219.

It is a cyclic number.

It is not a de Polignac number, because 1005113 - 2⁶ = 1005049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1005094 and 1005103.

It is not an unprimeable number, because it can be changed into a prime (1005133) 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, 16181 + ... + 16242.

It is an arithmetic number, because the mean of its divisors is an integer number (259392).

2^1005113 is an apocalyptic number.

It is an amenable number.

1005113 is a deficient number, since it is larger than the sum of its proper divisors (32455).

1005113 is an equidigital number, since it uses as much as digits as its factorization.

1005113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32454.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 1005113 is about 1002.5532404815. The cubic root of 1005113 is about 100.1701436804.

The spelling of 1005113 in words is "one million, five thousand, one hundred thirteen".