50305121 has 2 divisors, whose sum is σ = 50305122. Its totient is φ = 50305120.

The previous prime is 50305069. The next prime is 50305187. The reversal of 50305121 is 12150305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48455521 + 1849600 = 6961^2 + 1360^2 .

It is a cyclic number.

It is not a de Polignac number, because 50305121 - 2¹⁸ = 50042977 is a prime.

It is equal to p_3018302 and since 50305121 and 3018302 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50305121.

It is not a weakly prime, because it can be changed into another prime (50305721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25152560 + 25152561.

It is an arithmetic number, because the mean of its divisors is an integer number (25152561).

Almost surely, 2^50305121 is an apocalyptic number.

It is an amenable number.

50305121 is a deficient number, since it is larger than the sum of its proper divisors (1).

50305121 is an equidigital number, since it uses as much as digits as its factorization.

50305121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 50305121 is about 7092.6103093290. The cubic root of 50305121 is about 369.1510142432.

Adding to 50305121 its reverse (12150305), we get a palindrome (62455426).

The spelling of 50305121 in words is "fifty million, three hundred five thousand, one hundred twenty-one".