47445001 has 4 divisors (see below), whose sum is σ = 47542912. Its totient is φ = 47347092.

The previous prime is 47444939. The next prime is 47445019. The reversal of 47445001 is 10054474.

47445001 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.

It is a cyclic number.

It is not a de Polignac number, because 47445001 - 2⁹ = 47444489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47445031) 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, 48225 + ... + 49198.

It is an arithmetic number, because the mean of its divisors is an integer number (11885728).

Almost surely, 2^47445001 is an apocalyptic number.

It is an amenable number.

47445001 is a deficient number, since it is larger than the sum of its proper divisors (97911).

47445001 is an equidigital number, since it uses as much as digits as its factorization.

47445001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97910.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 47445001 is about 6888.0331735554. The cubic root of 47445001 is about 362.0179905185.

Adding to 47445001 its reverse (10054474), we get a palindrome (57499475).

The spelling of 47445001 in words is "forty-seven million, four hundred forty-five thousand, one".