49830257 has 2 divisors, whose sum is σ = 49830258. Its totient is φ = 49830256.

The previous prime is 49830239. The next prime is 49830271. The reversal of 49830257 is 75203894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24990001 + 24840256 = 4999^2 + 4984^2 .

It is a cyclic number.

It is not a de Polignac number, because 49830257 - 2¹⁰ = 49829233 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49830257.

It is not a weakly prime, because it can be changed into another prime (49830227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24915128 + 24915129.

It is an arithmetic number, because the mean of its divisors is an integer number (24915129).

Almost surely, 2^49830257 is an apocalyptic number.

It is an amenable number.

49830257 is a deficient number, since it is larger than the sum of its proper divisors (1).

49830257 is an equidigital number, since it uses as much as digits as its factorization.

49830257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 49830257 is about 7059.0549650785. The cubic root of 49830257 is about 367.9857848361.

The spelling of 49830257 in words is "forty-nine million, eight hundred thirty thousand, two hundred fifty-seven".