50203081 has 2 divisors, whose sum is σ = 50203082. Its totient is φ = 50203080.

The previous prime is 50203079. The next prime is 50203099. The reversal of 50203081 is 18030205.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50055625 + 147456 = 7075^2 + 384^2 .

It is a cyclic number.

It is not a de Polignac number, because 50203081 - 2¹ = 50203079 is a prime.

It is a super-2 number, since 2×50203081² = 5040698683785122, which contains 22 as substring.

Together with 50203079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50203381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25101540 + 25101541.

It is an arithmetic number, because the mean of its divisors is an integer number (25101541).

Almost surely, 2^50203081 is an apocalyptic number.

It is an amenable number.

50203081 is a deficient number, since it is larger than the sum of its proper divisors (1).

50203081 is an equidigital number, since it uses as much as digits as its factorization.

50203081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 50203081 is about 7085.4132554143. The cubic root of 50203081 is about 368.9012473111.

Adding to 50203081 its reverse (18030205), we get a palindrome (68233286).

The spelling of 50203081 in words is "fifty million, two hundred three thousand, eighty-one".