47243825 has 6 divisors (see below), whose sum is σ = 58582374. Its totient is φ = 37795040.

The previous prime is 47243803. The next prime is 47243827. The reversal of 47243825 is 52834274.

It can be written as a sum of positive squares in 3 ways, for example, as 14799409 + 32444416 = 3847^2 + 5696^2 .

It is not a de Polignac number, because 47243825 - 2¹⁰ = 47242801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47243827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 944852 + ... + 944901.

It is an arithmetic number, because the mean of its divisors is an integer number (9763729).

Almost surely, 2^47243825 is an apocalyptic number.

It is an amenable number.

47243825 is a deficient number, since it is larger than the sum of its proper divisors (11338549).

47243825 is a wasteful number, since it uses less digits than its factorization.

47243825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889763 (or 1889758 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 47243825 is about 6873.4143626003. The cubic root of 47243825 is about 361.5055901270.

The spelling of 47243825 in words is "forty-seven million, two hundred forty-three thousand, eight hundred twenty-five".