47512516 has 12 divisors (see below), whose sum is σ = 83201580. Its totient is φ = 23740640.

The previous prime is 47512513. The next prime is 47512529. The reversal of 47512516 is 61521574.

It can be written as a sum of positive squares in 2 ways, for example, as 14976900 + 32535616 = 3870^2 + 5704^2 .

It is not an unprimeable number, because it can be changed into a prime (47512513) 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, 5406 + ... + 11146.

It is an arithmetic number, because the mean of its divisors is an integer number (6933465).

Almost surely, 2^47512516 is an apocalyptic number.

It is an amenable number.

47512516 is a deficient number, since it is larger than the sum of its proper divisors (35689064).

47512516 is a wasteful number, since it uses less digits than its factorization.

47512516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814 (or 7812 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 47512516 is about 6892.9323223139. The cubic root of 47512516 is about 362.1896282720.

The spelling of 47512516 in words is "forty-seven million, five hundred twelve thousand, five hundred sixteen".