47366257 has 2 divisors, whose sum is σ = 47366258. Its totient is φ = 47366256.

The previous prime is 47366227. The next prime is 47366299. The reversal of 47366257 is 75266374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23853456 + 23512801 = 4884^2 + 4849^2 .

It is a cyclic number.

It is not a de Polignac number, because 47366257 - 2¹⁹ = 46841969 is a prime.

It is not a weakly prime, because it can be changed into another prime (47366227) 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, 23683128 + 23683129.

It is an arithmetic number, because the mean of its divisors is an integer number (23683129).

Almost surely, 2^47366257 is an apocalyptic number.

It is an amenable number.

47366257 is a deficient number, since it is larger than the sum of its proper divisors (1).

47366257 is an equidigital number, since it uses as much as digits as its factorization.

47366257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 40.

The square root of 47366257 is about 6882.3147995424. The cubic root of 47366257 is about 361.8176003868.

The spelling of 47366257 in words is "forty-seven million, three hundred sixty-six thousand, two hundred fifty-seven".