1045313 has 6 divisors (see below), whose sum is σ = 1110726. Its totient is φ = 983552.

The previous prime is 1045309. The next prime is 1045321. The reversal of 1045313 is 3135401.

It can be written as a sum of positive squares in 3 ways, for example, as 110224 + 935089 = 332^2 + 967^2 .

It is not a de Polignac number, because 1045313 - 2² = 1045309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045291 and 1045300.

It is not an unprimeable number, because it can be changed into a prime (1045393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1520 + ... + 2097.

It is an arithmetic number, because the mean of its divisors is an integer number (185121).

2^1045313 is an apocalyptic number.

It is an amenable number.

1045313 is a deficient number, since it is larger than the sum of its proper divisors (65413).

1045313 is an equidigital number, since it uses as much as digits as its factorization.

1045313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651 (or 3634 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1045313 is about 1022.4054968553. The cubic root of 1045313 is about 101.4881767716.

The spelling of 1045313 in words is "one million, forty-five thousand, three hundred thirteen".