47397265 has 4 divisors (see below), whose sum is σ = 56876724. Its totient is φ = 37917808.

The previous prime is 47397263. The next prime is 47397269. The reversal of 47397265 is 56279374.

47397265 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 14265729 + 33131536 = 3777^2 + 5756^2 .

It is a cyclic number.

It is not a de Polignac number, because 47397265 - 2¹ = 47397263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47397263) 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, 4739722 + ... + 4739731.

It is an arithmetic number, because the mean of its divisors is an integer number (14219181).

Almost surely, 2^47397265 is an apocalyptic number.

It is an amenable number.

47397265 is a deficient number, since it is larger than the sum of its proper divisors (9479459).

47397265 is an equidigital number, since it uses as much as digits as its factorization.

47397265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479458.

The product of its digits is 317520, while the sum is 43.

The square root of 47397265 is about 6884.5671614125. The cubic root of 47397265 is about 361.8965369797.

The spelling of 47397265 in words is "forty-seven million, three hundred ninety-seven thousand, two hundred sixty-five".