47356481 has 2 divisors, whose sum is σ = 47356482. Its totient is φ = 47356480.

The previous prime is 47356457. The next prime is 47356523. The reversal of 47356481 is 18465374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34281025 + 13075456 = 5855^2 + 3616^2 .

It is a cyclic number.

It is not a de Polignac number, because 47356481 - 2¹⁰ = 47355457 is a prime.

It is a super-2 number, since 2×47356481² = 4485272585406722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47356451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23678240 + 23678241.

It is an arithmetic number, because the mean of its divisors is an integer number (23678241).

Almost surely, 2^47356481 is an apocalyptic number.

It is an amenable number.

47356481 is a deficient number, since it is larger than the sum of its proper divisors (1).

47356481 is an equidigital number, since it uses as much as digits as its factorization.

47356481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 47356481 is about 6881.6045367341. The cubic root of 47356481 is about 361.7927066301.

The spelling of 47356481 in words is "forty-seven million, three hundred fifty-six thousand, four hundred eighty-one".