47312953 has 4 divisors (see below), whose sum is σ = 47330548. Its totient is φ = 47295360.

The previous prime is 47312917. The next prime is 47312963. The reversal of 47312953 is 35921374.

47312953 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 17413929 + 29899024 = 4173^2 + 5468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47312953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47312963) 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, 3828 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (11832637).

Almost surely, 2^47312953 is an apocalyptic number.

It is an amenable number.

47312953 is a deficient number, since it is larger than the sum of its proper divisors (17595).

47312953 is a wasteful number, since it uses less digits than its factorization.

47312953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17594.

The product of its digits is 22680, while the sum is 34.

The square root of 47312953 is about 6878.4411751501. The cubic root of 47312953 is about 361.6818246553.

The spelling of 47312953 in words is "forty-seven million, three hundred twelve thousand, nine hundred fifty-three".