49309243 has 2 divisors, whose sum is σ = 49309244. Its totient is φ = 49309242.

The previous prime is 49309241. The next prime is 49309279. The reversal of 49309243 is 34290394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49309243 - 2¹ = 49309241 is a prime.

Together with 49309241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 49309199 and 49309208.

It is not a weakly prime, because it can be changed into another prime (49309241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24654621 + 24654622.

It is an arithmetic number, because the mean of its divisors is an integer number (24654622).

Almost surely, 2^49309243 is an apocalyptic number.

49309243 is a deficient number, since it is larger than the sum of its proper divisors (1).

49309243 is an equidigital number, since it uses as much as digits as its factorization.

49309243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 49309243 is about 7022.0540442238. The cubic root of 49309243 is about 366.6987631224.

The spelling of 49309243 in words is "forty-nine million, three hundred nine thousand, two hundred forty-three".