47313125 has 40 divisors (see below), whose sum is σ = 64498104. Its totient is φ = 34560000.

The previous prime is 47313109. The next prime is 47313127. The reversal of 47313125 is 52131374.

It can be written as a sum of positive squares in 20 ways, for example, as 47306884 + 6241 = 6878^2 + 79^2 .

It is not a de Polignac number, because 47313125 - 2⁴ = 47313109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47313094 and 47313103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47313127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 648089 + ... + 648161.

Almost surely, 2^47313125 is an apocalyptic number.

It is an amenable number.

47313125 is a deficient number, since it is larger than the sum of its proper divisors (17184979).

47313125 is an equidigital number, since it uses as much as digits as its factorization.

47313125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 156 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 47313125 is about 6878.4536779715. The cubic root of 47313125 is about 361.6822629370.

Adding to 47313125 its reverse (52131374), we get a palindrome (99444499).

The spelling of 47313125 in words is "forty-seven million, three hundred thirteen thousand, one hundred twenty-five".