47209125 has 48 divisors (see below), whose sum is σ = 81791424. Its totient is φ = 24180000.

The previous prime is 47209109. The next prime is 47209139. The reversal of 47209125 is 52190274.

It is not a de Polignac number, because 47209125 - 2⁴ = 47209109 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47209092 and 47209101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 360310 + ... + 360440.

It is an arithmetic number, because the mean of its divisors is an integer number (1703988).

Almost surely, 2^47209125 is an apocalyptic number.

It is an amenable number.

47209125 is a deficient number, since it is larger than the sum of its proper divisors (34582299).

47209125 is a wasteful number, since it uses less digits than its factorization.

47209125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 47209125 is about 6870.8896803835. The cubic root of 47209125 is about 361.4170613339.

Adding to 47209125 its reverse (52190274), we get a palindrome (99399399).

The spelling of 47209125 in words is "forty-seven million, two hundred nine thousand, one hundred twenty-five".