47631425 has 6 divisors (see below), whose sum is σ = 59062998. Its totient is φ = 38105120.

The previous prime is 47631403. The next prime is 47631443. The reversal of 47631425 is 52413674.

It can be written as a sum of positive squares in 3 ways, for example, as 13630864 + 34000561 = 3692^2 + 5831^2 .

It is not a de Polignac number, because 47631425 - 2⁶ = 47631361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47631391 and 47631400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 952604 + ... + 952653.

It is an arithmetic number, because the mean of its divisors is an integer number (9843833).

Almost surely, 2^47631425 is an apocalyptic number.

It is an amenable number.

47631425 is a deficient number, since it is larger than the sum of its proper divisors (11431573).

47631425 is a wasteful number, since it uses less digits than its factorization.

47631425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905267 (or 1905262 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 47631425 is about 6901.5523616068. The cubic root of 47631425 is about 362.4915257631.

The spelling of 47631425 in words is "forty-seven million, six hundred thirty-one thousand, four hundred twenty-five".