1016506259 has 4 divisors (see below), whose sum is σ = 1016571600. Its totient is φ = 1016440920.

The previous prime is 1016506247. The next prime is 1016506273. The reversal of 1016506259 is 9526056101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1016506259 - 2⁸ = 1016506003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016506559) 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 in 3 ways as a sum of consecutive naturals, for example, 5642 + ... + 45440.

It is an arithmetic number, because the mean of its divisors is an integer number (254142900).

Almost surely, 2^1016506259 is an apocalyptic number.

1016506259 is a deficient number, since it is larger than the sum of its proper divisors (65341).

1016506259 is an equidigital number, since it uses as much as digits as its factorization.

1016506259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65340.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 1016506259 is about 31882.6952907059. The cubic root of 1016506259 is about 1005.4720879683.

The spelling of 1016506259 in words is "one billion, sixteen million, five hundred six thousand, two hundred fifty-nine".