47125657 has 4 divisors (see below), whose sum is σ = 47693520. Its totient is φ = 46557796.

The previous prime is 47125651. The next prime is 47125669. The reversal of 47125657 is 75652174.

47125657 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 47125657 - 2¹⁵ = 47092889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47125651) 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, 283807 + ... + 283972.

It is an arithmetic number, because the mean of its divisors is an integer number (11923380).

Almost surely, 2^47125657 is an apocalyptic number.

It is an amenable number.

47125657 is a deficient number, since it is larger than the sum of its proper divisors (567863).

47125657 is an equidigital number, since it uses as much as digits as its factorization.

47125657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567862.

The product of its digits is 58800, while the sum is 37.

The square root of 47125657 is about 6864.8129617638. The cubic root of 47125657 is about 361.2039347719.

The spelling of 47125657 in words is "forty-seven million, one hundred twenty-five thousand, six hundred fifty-seven".