50261 has 2 divisors, whose sum is σ = 50262. Its totient is φ = 50260.

The previous prime is 50231. The next prime is 50263. The reversal of 50261 is 16205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36100 + 14161 = 190^2 + 119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50261 is a prime.

It is a Sophie Germain prime.

Together with 50263, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25130 + 25131.

It is an arithmetic number, because the mean of its divisors is an integer number (25131).

2⁵⁰²⁶¹ is an apocalyptic number.

It is an amenable number.

50261 is a deficient number, since it is larger than the sum of its proper divisors (1).

50261 is an equidigital number, since it uses as much as digits as its factorization.

50261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 50261 is about 224.1896518575. The cubic root of 50261 is about 36.9043059191.

Adding to 50261 its reverse (16205), we get a palindrome (66466).

The spelling of 50261 in words is "fifty thousand, two hundred sixty-one".