1045539 has 24 divisors (see below), whose sum is σ = 1684800. Its totient is φ = 619440.

The previous prime is 1045529. The next prime is 1045543. The reversal of 1045539 is 9355401.

1045539 is a `hidden beast` number, since 104 + 553 + 9 = 666.

It is not a de Polignac number, because 1045539 - 2⁴ = 1045523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5752 + ... + 5930.

It is an arithmetic number, because the mean of its divisors is an integer number (70200).

2^1045539 is an apocalyptic number.

1045539 is a deficient number, since it is larger than the sum of its proper divisors (639261).

1045539 is a wasteful number, since it uses less digits than its factorization.

1045539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1045539 is about 1022.5160145445. The cubic root of 1045539 is about 101.4954902669.

The spelling of 1045539 in words is "one million, forty-five thousand, five hundred thirty-nine".