47024281 has 2 divisors, whose sum is σ = 47024282. Its totient is φ = 47024280.

The previous prime is 47024279. The next prime is 47024309. The reversal of 47024281 is 18242074.

It is an a-pointer prime, because the next prime (47024309) can be obtained adding 47024281 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30702681 + 16321600 = 5541^2 + 4040^2 .

It is a cyclic number.

It is not a de Polignac number, because 47024281 - 2¹ = 47024279 is a prime.

It is a super-2 number, since 2×47024281² = 4422566007133922, which contains 22 as substring.

Together with 47024279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47024881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23512140 + 23512141.

It is an arithmetic number, because the mean of its divisors is an integer number (23512141).

Almost surely, 2^47024281 is an apocalyptic number.

It is an amenable number.

47024281 is a deficient number, since it is larger than the sum of its proper divisors (1).

47024281 is an equidigital number, since it uses as much as digits as its factorization.

47024281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 47024281 is about 6857.4252456735. The cubic root of 47024281 is about 360.9447433477.

The spelling of 47024281 in words is "forty-seven million, twenty-four thousand, two hundred eighty-one".