47015249 has 4 divisors (see below), whose sum is σ = 47358564. Its totient is φ = 46671936.

The previous prime is 47015237. The next prime is 47015257. The reversal of 47015249 is 94251074.

It is a happy number.

47015249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12909649 + 34105600 = 3593^2 + 5840^2 .

It is a cyclic number.

It is not a de Polignac number, because 47015249 - 2¹⁶ = 46949713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47015219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171452 + ... + 171725.

It is an arithmetic number, because the mean of its divisors is an integer number (11839641).

Almost surely, 2^47015249 is an apocalyptic number.

It is an amenable number.

47015249 is a deficient number, since it is larger than the sum of its proper divisors (343315).

47015249 is a wasteful number, since it uses less digits than its factorization.

47015249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343314.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 47015249 is about 6856.7666578352. The cubic root of 47015249 is about 360.9216328638.

The spelling of 47015249 in words is "forty-seven million, fifteen thousand, two hundred forty-nine".