47474261 has 2 divisors, whose sum is σ = 47474262. Its totient is φ = 47474260.

The previous prime is 47474213. The next prime is 47474263. The reversal of 47474261 is 16247474.

47474261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34586161 + 12888100 = 5881^2 + 3590^2 .

It is a cyclic number.

It is not a de Polignac number, because 47474261 - 2⁶ = 47474197 is a prime.

It is a super-2 number, since 2×47474261² = 4507610914992242, which contains 22 as substring.

Together with 47474263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47474263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23737130 + 23737131.

It is an arithmetic number, because the mean of its divisors is an integer number (23737131).

Almost surely, 2^47474261 is an apocalyptic number.

It is an amenable number.

47474261 is a deficient number, since it is larger than the sum of its proper divisors (1).

47474261 is an equidigital number, since it uses as much as digits as its factorization.

47474261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 35.

The square root of 47474261 is about 6890.1568196958. The cubic root of 47474261 is about 362.0923957553.

The spelling of 47474261 in words is "forty-seven million, four hundred seventy-four thousand, two hundred sixty-one".