47480281 has 2 divisors, whose sum is σ = 47480282. Its totient is φ = 47480280.

The previous prime is 47480273. The next prime is 47480339. The reversal of 47480281 is 18208474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37015056 + 10465225 = 6084^2 + 3235^2 .

It is a cyclic number.

It is not a de Polignac number, because 47480281 - 2³ = 47480273 is a prime.

It is a super-2 number, since 2×47480281² = 4508754167677922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47480581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23740140 + 23740141.

It is an arithmetic number, because the mean of its divisors is an integer number (23740141).

Almost surely, 2^47480281 is an apocalyptic number.

It is an amenable number.

47480281 is a deficient number, since it is larger than the sum of its proper divisors (1).

47480281 is an equidigital number, since it uses as much as digits as its factorization.

47480281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 47480281 is about 6890.5936609265. The cubic root of 47480281 is about 362.1077002174.

The spelling of 47480281 in words is "forty-seven million, four hundred eighty thousand, two hundred eighty-one".