50012681 has 2 divisors, whose sum is σ = 50012682. Its totient is φ = 50012680.

The previous prime is 50012671. The next prime is 50012689. The reversal of 50012681 is 18621005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37699600 + 12313081 = 6140^2 + 3509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50012681 is a prime.

It is a super-2 number, since 2×50012681² = 5002536521615522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50012689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25006340 + 25006341.

It is an arithmetic number, because the mean of its divisors is an integer number (25006341).

Almost surely, 2^50012681 is an apocalyptic number.

It is an amenable number.

50012681 is a deficient number, since it is larger than the sum of its proper divisors (1).

50012681 is an equidigital number, since it uses as much as digits as its factorization.

50012681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 50012681 is about 7071.9644371278. The cubic root of 50012681 is about 368.4342920337.

Adding to 50012681 its reverse (18621005), we get a palindrome (68633686).

The spelling of 50012681 in words is "fifty million, twelve thousand, six hundred eighty-one".