47181013 has 8 divisors (see below), whose sum is σ = 51600960. Its totient is φ = 42782880.

The previous prime is 47180989. The next prime is 47181041. The reversal of 47181013 is 31018174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47181013 - 2²¹ = 45083861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47181053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745 + ... + 9742.

It is an arithmetic number, because the mean of its divisors is an integer number (6450120).

Almost surely, 2^47181013 is an apocalyptic number.

It is an amenable number.

47181013 is a deficient number, since it is larger than the sum of its proper divisors (4419947).

47181013 is a wasteful number, since it uses less digits than its factorization.

47181013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10907.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 47181013 is about 6868.8436435837. The cubic root of 47181013 is about 361.3453084414.

Adding to 47181013 its reverse (31018174), we get a palindrome (78199187).

The spelling of 47181013 in words is "forty-seven million, one hundred eighty-one thousand, thirteen".