47438825 has 12 divisors (see below), whose sum is σ = 67227840. Its totient is φ = 32529360.

The previous prime is 47438819. The next prime is 47438827. The reversal of 47438825 is 52883474.

It is not a de Polignac number, because 47438825 - 2⁸ = 47438569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47438827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135365 + ... + 135714.

It is an arithmetic number, because the mean of its divisors is an integer number (5602320).

Almost surely, 2^47438825 is an apocalyptic number.

It is an amenable number.

47438825 is a deficient number, since it is larger than the sum of its proper divisors (19789015).

47438825 is a wasteful number, since it uses less digits than its factorization.

47438825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271096 (or 271091 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 47438825 is about 6887.5848452124. The cubic root of 47438825 is about 362.0022816620.

The spelling of 47438825 in words is "forty-seven million, four hundred thirty-eight thousand, eight hundred twenty-five".