47143225 has 6 divisors (see below), whose sum is σ = 58457630. Its totient is φ = 37714560.

The previous prime is 47143223. The next prime is 47143231. The reversal of 47143225 is 52234174.

It can be written as a sum of positive squares in 3 ways, for example, as 97344 + 47045881 = 312^2 + 6859^2 .

It is not a de Polignac number, because 47143225 - 2¹ = 47143223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47143193 and 47143202.

It is not an unprimeable number, because it can be changed into a prime (47143223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 942840 + ... + 942889.

Almost surely, 2^47143225 is an apocalyptic number.

It is an amenable number.

47143225 is a deficient number, since it is larger than the sum of its proper divisors (11314405).

47143225 is a wasteful number, since it uses less digits than its factorization.

47143225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885739 (or 1885734 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 47143225 is about 6866.0924112628. The cubic root of 47143225 is about 361.2488136677.

Adding to 47143225 its reverse (52234174), we get a palindrome (99377399).

The spelling of 47143225 in words is "forty-seven million, one hundred forty-three thousand, two hundred twenty-five".