47257135 has 4 divisors (see below), whose sum is σ = 56708568. Its totient is φ = 37805704.

The previous prime is 47257117. The next prime is 47257151. The reversal of 47257135 is 53175274.

47257135 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 an emirpimes, since its reverse is a distinct semiprime: 53175274 = 2 ⋅26587637.

It is a cyclic number.

It is not a de Polignac number, because 47257135 - 2²³ = 38868527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47257135.

It is a congruent number.

It is an unprimeable number.

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, 4725709 + ... + 4725718.

It is an arithmetic number, because the mean of its divisors is an integer number (14177142).

Almost surely, 2^47257135 is an apocalyptic number.

47257135 is a deficient number, since it is larger than the sum of its proper divisors (9451433).

47257135 is an equidigital number, since it uses as much as digits as its factorization.

47257135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9451432.

The product of its digits is 29400, while the sum is 34.

The square root of 47257135 is about 6874.3825177248. The cubic root of 47257135 is about 361.5395359221.

The spelling of 47257135 in words is "forty-seven million, two hundred fifty-seven thousand, one hundred thirty-five".