47125897 has 24 divisors (see below), whose sum is σ = 59524416. Its totient is φ = 36979488.

The previous prime is 47125889. The next prime is 47125907. The reversal of 47125897 is 79852174.

47125897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47125897 - 2³ = 47125889 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

Its product of digits (141120) is a multiple of the sum of its prime divisors (630).

It is not an unprimeable number, because it can be changed into a prime (47125817) 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 23 ways as a sum of consecutive naturals, for example, 106158 + ... + 106600.

It is an arithmetic number, because the mean of its divisors is an integer number (2480184).

Almost surely, 2^47125897 is an apocalyptic number.

47125897 is the 4342-nd heptagonal number.

It is an amenable number.

47125897 is a deficient number, since it is larger than the sum of its proper divisors (12398519).

47125897 is a wasteful number, since it uses less digits than its factorization.

47125897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 630 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 47125897 is about 6864.8304421886. The cubic root of 47125897 is about 361.2045479467.

It can be divided in two parts, 4712 and 5897, that added together give a square (10609 = 103²).

The spelling of 47125897 in words is "forty-seven million, one hundred twenty-five thousand, eight hundred ninety-seven".