47525121 has 12 divisors (see below), whose sum is σ = 78454272. Its totient is φ = 27157176.

The previous prime is 47525119. The next prime is 47525129. The reversal of 47525121 is 12152574.

It is not a de Polignac number, because 47525121 - 2¹ = 47525119 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47525129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377121 + ... + 377246.

It is an arithmetic number, because the mean of its divisors is an integer number (6537856).

Almost surely, 2^47525121 is an apocalyptic number.

It is an amenable number.

47525121 is a deficient number, since it is larger than the sum of its proper divisors (30929151).

47525121 is a wasteful number, since it uses less digits than its factorization.

47525121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754380 (or 754377 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 47525121 is about 6893.8466040375. The cubic root of 47525121 is about 362.2216548970.

Adding to 47525121 its reverse (12152574), we get a palindrome (59677695).

The spelling of 47525121 in words is "forty-seven million, five hundred twenty-five thousand, one hundred twenty-one".