1006545 has 8 divisors (see below), whose sum is σ = 1610496. Its totient is φ = 536816.

The previous prime is 1006543. The next prime is 1006547. The reversal of 1006545 is 5456001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1006543) and next prime (1006547).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1006545 - 2¹ = 1006543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1006543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33537 + ... + 33566.

It is an arithmetic number, because the mean of its divisors is an integer number (201312).

2^1006545 is an apocalyptic number.

1006545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1006545 is a deficient number, since it is larger than the sum of its proper divisors (603951).

1006545 is an equidigital number, since it uses as much as digits as its factorization.

1006545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67111.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1006545 is about 1003.2671628235. The cubic root of 1006545 is about 100.2176924229.

It can be divided in two parts, 1006 and 545, that added together give a palindrome (1551).

The spelling of 1006545 in words is "one million, six thousand, five hundred forty-five".