47140481 has 4 divisors (see below), whose sum is σ = 47500464. Its totient is φ = 46780500.

The previous prime is 47140459. The next prime is 47140487. The reversal of 47140481 is 18404174.

47140481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18404174 = 2 ⋅9202087.

It is a cyclic number.

It is not a de Polignac number, because 47140481 - 2⁶ = 47140417 is a prime.

It is a super-2 number, since 2×47140481² = 4444449897822722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47140487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179795 + ... + 180056.

It is an arithmetic number, because the mean of its divisors is an integer number (11875116).

Almost surely, 2^47140481 is an apocalyptic number.

It is an amenable number.

47140481 is a deficient number, since it is larger than the sum of its proper divisors (359983).

47140481 is a wasteful number, since it uses less digits than its factorization.

47140481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359982.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 47140481 is about 6865.8925858187. The cubic root of 47140481 is about 361.2418046296.

The spelling of 47140481 in words is "forty-seven million, one hundred forty thousand, four hundred eighty-one".