47852081 has 4 divisors (see below), whose sum is σ = 47890164. Its totient is φ = 47814000.

The previous prime is 47852071. The next prime is 47852087. The reversal of 47852081 is 18025874.

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 173056 + 47679025 = 416^2 + 6905^2 .

It is a cyclic number.

It is not a de Polignac number, because 47852081 - 2⁶ = 47852017 is a prime.

It is a super-2 number, since 2×47852081² = 4579643312061122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47852087) 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, 17090 + ... + 19691.

It is an arithmetic number, because the mean of its divisors is an integer number (11972541).

Almost surely, 2^47852081 is an apocalyptic number.

It is an amenable number.

47852081 is a deficient number, since it is larger than the sum of its proper divisors (38083).

47852081 is a wasteful number, since it uses less digits than its factorization.

47852081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38082.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 47852081 is about 6917.5198590246. The cubic root of 47852081 is about 363.0504196270.

The spelling of 47852081 in words is "forty-seven million, eight hundred fifty-two thousand, eighty-one".