47031225 has 12 divisors (see below), whose sum is σ = 77758416. Its totient is φ = 25083280.

The previous prime is 47031217. The next prime is 47031233. The reversal of 47031225 is 52213074.

It is an interprime number because it is at equal distance from previous prime (47031217) and next prime (47031233).

It is not a de Polignac number, because 47031225 - 2³ = 47031217 is a prime.

It is a super-2 number, since 2×47031225² = 4423872250001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47031195 and 47031204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313467 + ... + 313616.

It is an arithmetic number, because the mean of its divisors is an integer number (6479868).

Almost surely, 2^47031225 is an apocalyptic number.

It is an amenable number.

47031225 is a deficient number, since it is larger than the sum of its proper divisors (30727191).

47031225 is a wasteful number, since it uses less digits than its factorization.

47031225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627096 (or 627091 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 47031225 is about 6857.9315394658. The cubic root of 47031225 is about 360.9625091833.

Adding to 47031225 its reverse (52213074), we get a palindrome (99244299).

The spelling of 47031225 in words is "forty-seven million, thirty-one thousand, two hundred twenty-five".