47302561 has 4 divisors (see below), whose sum is σ = 48456324. Its totient is φ = 46148800.

The previous prime is 47302529. The next prime is 47302573. The reversal of 47302561 is 16520374.

47302561 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.

It can be written as a sum of positive squares in 2 ways, for example, as 640000 + 46662561 = 800^2 + 6831^2 .

It is a cyclic number.

It is not a de Polignac number, because 47302561 - 2⁵ = 47302529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47302501) 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, 576820 + ... + 576901.

It is an arithmetic number, because the mean of its divisors is an integer number (12114081).

Almost surely, 2^47302561 is an apocalyptic number.

47302561 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

47302561 is a deficient number, since it is larger than the sum of its proper divisors (1153763).

47302561 is a wasteful number, since it uses less digits than its factorization.

47302561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153762.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 47302561 is about 6877.6857299531. The cubic root of 47302561 is about 361.6553423180.

The spelling of 47302561 in words is "forty-seven million, three hundred two thousand, five hundred sixty-one".