47241851 has 4 divisors (see below), whose sum is σ = 47256312. Its totient is φ = 47227392.

The previous prime is 47241829. The next prime is 47241889. The reversal of 47241851 is 15814274.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47241851 - 2⁶ = 47241787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47241151) 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, 251 + ... + 9723.

It is an arithmetic number, because the mean of its divisors is an integer number (11814078).

Almost surely, 2^47241851 is an apocalyptic number.

47241851 is a deficient number, since it is larger than the sum of its proper divisors (14461).

47241851 is an equidigital number, since it uses as much as digits as its factorization.

47241851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14460.

The product of its digits is 8960, while the sum is 32.

The square root of 47241851 is about 6873.2707643450. The cubic root of 47241851 is about 361.5005550988.

The spelling of 47241851 in words is "forty-seven million, two hundred forty-one thousand, eight hundred fifty-one".