47315625 has 72 divisors (see below), whose sum is σ = 92619072. Its totient is φ = 21420000.

The previous prime is 47315621. The next prime is 47315627. The reversal of 47315625 is 52651374.

It is not a de Polignac number, because 47315625 - 2² = 47315621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47315621) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 459324 + ... + 459426.

It is an arithmetic number, because the mean of its divisors is an integer number (1286376).

Almost surely, 2^47315625 is an apocalyptic number.

It is an amenable number.

47315625 is a deficient number, since it is larger than the sum of its proper divisors (45303447).

47315625 is an equidigital number, since it uses as much as digits as its factorization.

47315625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 118 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 47315625 is about 6878.6354024617. The cubic root of 47315625 is about 361.6886331900.

Adding to 47315625 its reverse (52651374), we get a palindrome (99966999).

The spelling of 47315625 in words is "forty-seven million, three hundred fifteen thousand, six hundred twenty-five".