50243813 has 2 divisors, whose sum is σ = 50243814. Its totient is φ = 50243812.

The previous prime is 50243807. The next prime is 50243827. The reversal of 50243813 is 31834205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 13786369 = 6038^2 + 3713^2 .

It is a cyclic number.

It is not a de Polignac number, because 50243813 - 2⁶ = 50243749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50243803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25121906 + 25121907.

It is an arithmetic number, because the mean of its divisors is an integer number (25121907).

Almost surely, 2^50243813 is an apocalyptic number.

It is an amenable number.

50243813 is a deficient number, since it is larger than the sum of its proper divisors (1).

50243813 is an equidigital number, since it uses as much as digits as its factorization.

50243813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 50243813 is about 7088.2870286128. The cubic root of 50243813 is about 369.0009890226. Note that the first 3 decimals are identical.

The spelling of 50243813 in words is "fifty million, two hundred forty-three thousand, eight hundred thirteen".