1045331 has 4 divisors (see below), whose sum is σ = 1194672. Its totient is φ = 895992.

The previous prime is 1045321. The next prime is 1045349. The reversal of 1045331 is 1335401.

1045331 = T₅₄₃ + T₅₄₄ + ... + T₅₄₉.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1335401 = 17 ⋅78553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045331 is a prime.

It is a super-2 number, since 2×1045331² = 2185433799122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1045321) 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, 74660 + ... + 74673.

It is an arithmetic number, because the mean of its divisors is an integer number (298668).

2^1045331 is an apocalyptic number.

1045331 is a deficient number, since it is larger than the sum of its proper divisors (149341).

1045331 is an equidigital number, since it uses as much as digits as its factorization.

1045331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149340.

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

The square root of 1045331 is about 1022.4142995870. The cubic root of 1045331 is about 101.4887593010.

The spelling of 1045331 in words is "one million, forty-five thousand, three hundred thirty-one".