1047539 has 2 divisors, whose sum is σ = 1047540. Its totient is φ = 1047538.

The previous prime is 1047533. The next prime is 1047551. The reversal of 1047539 is 9357401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1047539 - 2⁸ = 1047283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1047533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523769 + 523770.

It is an arithmetic number, because the mean of its divisors is an integer number (523770).

2^1047539 is an apocalyptic number.

1047539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047539 is an equidigital number, since it uses as much as digits as its factorization.

1047539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1047539 is about 1023.4935270924. The cubic root of 1047539 is about 101.5601655795.

The spelling of 1047539 in words is "one million, forty-seven thousand, five hundred thirty-nine".