47499539 has 2 divisors, whose sum is σ = 47499540. Its totient is φ = 47499538.

The previous prime is 47499521. The next prime is 47499587. The reversal of 47499539 is 93599474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47499539 - 2¹² = 47495443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47499589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23749769 + 23749770.

It is an arithmetic number, because the mean of its divisors is an integer number (23749770).

Almost surely, 2^47499539 is an apocalyptic number.

47499539 is a deficient number, since it is larger than the sum of its proper divisors (1).

47499539 is an equidigital number, since it uses as much as digits as its factorization.

47499539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 47499539 is about 6891.9909315088. The cubic root of 47499539 is about 362.1566505560.

The spelling of 47499539 in words is "forty-seven million, four hundred ninety-nine thousand, five hundred thirty-nine".