47281601 has 4 divisors (see below), whose sum is σ = 47330304. Its totient is φ = 47232900.

The previous prime is 47281567. The next prime is 47281613. The reversal of 47281601 is 10618274.

47281601 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: 10618274 = 2 ⋅5309137.

It is a cyclic number.

It is not a de Polignac number, because 47281601 - 2¹⁰ = 47280577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47281621) 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, 22865 + ... + 24846.

It is an arithmetic number, because the mean of its divisors is an integer number (11832576).

Almost surely, 2^47281601 is an apocalyptic number.

It is an amenable number.

47281601 is a deficient number, since it is larger than the sum of its proper divisors (48703).

47281601 is an equidigital number, since it uses as much as digits as its factorization.

47281601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48702.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 47281601 is about 6876.1617927446. The cubic root of 47281601 is about 361.6019173328.

Adding to 47281601 its reverse (10618274), we get a palindrome (57899875).

The spelling of 47281601 in words is "forty-seven million, two hundred eighty-one thousand, six hundred one".