47130481 has 6 divisors (see below), whose sum is σ = 48812582. Its totient is φ = 45504480.

The previous prime is 47130467. The next prime is 47130493. The reversal of 47130481 is 18403174.

It can be written as a sum of positive squares in 3 ways, for example, as 13024881 + 34105600 = 3609^2 + 5840^2 .

It is not a de Polignac number, because 47130481 - 2⁷ = 47130353 is a prime.

It is a super-2 number, since 2×47130481² = 4442564478582722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47131481) 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, 27180 + ... + 28861.

Almost surely, 2^47130481 is an apocalyptic number.

It is an amenable number.

47130481 is a deficient number, since it is larger than the sum of its proper divisors (1682101).

47130481 is an equidigital number, since it uses as much as digits as its factorization.

47130481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56099 (or 56070 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 47130481 is about 6865.1643097598. The cubic root of 47130481 is about 361.2162591859.

The spelling of 47130481 in words is "forty-seven million, one hundred thirty thousand, four hundred eighty-one".