1006532143 has 4 divisors (see below), whose sum is σ = 1009433160. Its totient is φ = 1003631128.

The previous prime is 1006532129. The next prime is 1006532159. The reversal of 1006532143 is 3412356001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1006532143 - 2¹³ = 1006523951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006532113) 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, 1449988 + ... + 1450681.

It is an arithmetic number, because the mean of its divisors is an integer number (252358290).

Almost surely, 2^1006532143 is an apocalyptic number.

1006532143 is a deficient number, since it is larger than the sum of its proper divisors (2901017).

1006532143 is an equidigital number, since it uses as much as digits as its factorization.

1006532143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901016.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1006532143 is about 31725.8907361165. The cubic root of 1006532143 is about 1002.1726571423.

Adding to 1006532143 its reverse (3412356001), we get a palindrome (4418888144).

The spelling of 1006532143 in words is "one billion, six million, five hundred thirty-two thousand, one hundred forty-three".