50002861 has 2 divisors, whose sum is σ = 50002862. Its totient is φ = 50002860.

The previous prime is 50002853. The next prime is 50002951. The reversal of 50002861 is 16820005.

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., 48860100 + 1142761 = 6990^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 50002861 - 2³ = 50002853 is a prime.

It is a super-2 number, since 2×50002861² = 5000572216370642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50002811) 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, 25001430 + 25001431.

It is an arithmetic number, because the mean of its divisors is an integer number (25001431).

Almost surely, 2^50002861 is an apocalyptic number.

It is an amenable number.

50002861 is a deficient number, since it is larger than the sum of its proper divisors (1).

50002861 is an equidigital number, since it uses as much as digits as its factorization.

50002861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 50002861 is about 7071.2701122217. The cubic root of 50002861 is about 368.4101764061.

Adding to 50002861 its reverse (16820005), we get a palindrome (66822866).

The spelling of 50002861 in words is "fifty million, two thousand, eight hundred sixty-one".