47081901 has 16 divisors (see below), whose sum is σ = 65182208. Its totient is φ = 30196800.

The previous prime is 47081893. The next prime is 47081911. The reversal of 47081901 is 10918074.

It is not a de Polignac number, because 47081901 - 2³ = 47081893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47081911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15435 + ... + 18231.

It is an arithmetic number, because the mean of its divisors is an integer number (4073888).

Almost surely, 2^47081901 is an apocalyptic number.

It is an amenable number.

47081901 is a deficient number, since it is larger than the sum of its proper divisors (18100307).

47081901 is a wasteful number, since it uses less digits than its factorization.

47081901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 47081901 is about 6861.6252447944. The cubic root of 47081901 is about 361.0921079774.

Adding to 47081901 its reverse (10918074), we get a palindrome (57999975).

The spelling of 47081901 in words is "forty-seven million, eighty-one thousand, nine hundred one".