47257241 has 2 divisors, whose sum is σ = 47257242. Its totient is φ = 47257240.

The previous prime is 47257219. The next prime is 47257271. The reversal of 47257241 is 14275274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24255625 + 23001616 = 4925^2 + 4796^2 .

It is a cyclic number.

It is not a de Polignac number, because 47257241 - 2¹⁸ = 46995097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47257198 and 47257207.

It is not a weakly prime, because it can be changed into another prime (47257271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23628620 + 23628621.

It is an arithmetic number, because the mean of its divisors is an integer number (23628621).

Almost surely, 2^47257241 is an apocalyptic number.

It is an amenable number.

47257241 is a deficient number, since it is larger than the sum of its proper divisors (1).

47257241 is an equidigital number, since it uses as much as digits as its factorization.

47257241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 32.

The square root of 47257241 is about 6874.3902275038. The cubic root of 47257241 is about 361.5398062387.

The spelling of 47257241 in words is "forty-seven million, two hundred fifty-seven thousand, two hundred forty-one".