1006547 has 2 divisors, whose sum is σ = 1006548. Its totient is φ = 1006546.

The previous prime is 1006543. The next prime is 1006559. The reversal of 1006547 is 7456001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1006547 - 2² = 1006543 is a prime.

It is not a weakly prime, because it can be changed into another prime (1006543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503273 + 503274.

It is an arithmetic number, because the mean of its divisors is an integer number (503274).

2^1006547 is an apocalyptic number.

1006547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006547 is an equidigital number, since it uses as much as digits as its factorization.

1006547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1006547 is about 1003.2681595665. The cubic root of 1006547 is about 100.2177588002.

The spelling of 1006547 in words is "one million, six thousand, five hundred forty-seven".