1516485065 has 4 divisors (see below), whose sum is σ = 1819782084. Its totient is φ = 1213188048.

The previous prime is 1516485043. The next prime is 1516485067. The reversal of 1516485065 is 5605846151.

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

It can be written as a sum of positive squares in 2 ways, for example, as 168714121 + 1347770944 = 12989^2 + 36712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1516485065 - 2¹² = 1516480969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1516485067) 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, 151648502 + ... + 151648511.

It is an arithmetic number, because the mean of its divisors is an integer number (454945521).

Almost surely, 2^1516485065 is an apocalyptic number.

It is an amenable number.

1516485065 is a deficient number, since it is larger than the sum of its proper divisors (303297019).

1516485065 is an equidigital number, since it uses as much as digits as its factorization.

1516485065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303297018.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 1516485065 is about 38942.0731985343. The cubic root of 1516485065 is about 1148.8924598444.

The spelling of 1516485065 in words is "one billion, five hundred sixteen million, four hundred eighty-five thousand, sixty-five".