47351225 has 6 divisors (see below), whose sum is σ = 58715550. Its totient is φ = 37880960.

The previous prime is 47351221. The next prime is 47351233. The reversal of 47351225 is 52215374.

It is a happy number.

47351225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2768896 + 44582329 = 1664^2 + 6677^2 .

It is not a de Polignac number, because 47351225 - 2² = 47351221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47351221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 947000 + ... + 947049.

It is an arithmetic number, because the mean of its divisors is an integer number (9785925).

Almost surely, 2^47351225 is an apocalyptic number.

It is an amenable number.

47351225 is a deficient number, since it is larger than the sum of its proper divisors (11364325).

47351225 is a wasteful number, since it uses less digits than its factorization.

47351225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894059 (or 1894054 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 47351225 is about 6881.2226384560. Note that the first 3 decimals coincide. The cubic root of 47351225 is about 361.7793212547.

Adding to 47351225 its reverse (52215374), we get a palindrome (99566599).

The spelling of 47351225 in words is "forty-seven million, three hundred fifty-one thousand, two hundred twenty-five".