50263261 has 2 divisors, whose sum is σ = 50263262. Its totient is φ = 50263260.

The previous prime is 50263249. The next prime is 50263267. The reversal of 50263261 is 16236205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33860761 + 16402500 = 5819^2 + 4050^2 .

It is a cyclic number.

It is not a de Polignac number, because 50263261 - 2⁵ = 50263229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50263267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25131630 + 25131631.

It is an arithmetic number, because the mean of its divisors is an integer number (25131631).

Almost surely, 2^50263261 is an apocalyptic number.

It is an amenable number.

50263261 is a deficient number, since it is larger than the sum of its proper divisors (1).

50263261 is an equidigital number, since it uses as much as digits as its factorization.

50263261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 50263261 is about 7089.6587364978. The cubic root of 50263261 is about 369.0485929303.

Adding to 50263261 its reverse (16236205), we get a palindrome (66499466).

The spelling of 50263261 in words is "fifty million, two hundred sixty-three thousand, two hundred sixty-one".