47792257 has 2 divisors, whose sum is σ = 47792258. Its totient is φ = 47792256.

The previous prime is 47792243. The next prime is 47792281. The reversal of 47792257 is 75229774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38738176 + 9054081 = 6224^2 + 3009^2 .

It is a cyclic number.

It is not a de Polignac number, because 47792257 - 2¹¹ = 47790209 is a prime.

It is not a weakly prime, because it can be changed into another prime (47792207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23896128 + 23896129.

It is an arithmetic number, because the mean of its divisors is an integer number (23896129).

Almost surely, 2^47792257 is an apocalyptic number.

It is an amenable number.

47792257 is a deficient number, since it is larger than the sum of its proper divisors (1).

47792257 is an equidigital number, since it uses as much as digits as its factorization.

47792257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 43.

The square root of 47792257 is about 6913.1944135833. The cubic root of 47792257 is about 362.8990630219.

The spelling of 47792257 in words is "forty-seven million, seven hundred ninety-two thousand, two hundred fifty-seven".