50012621 has 2 divisors, whose sum is σ = 50012622. Its totient is φ = 50012620.

The previous prime is 50012539. The next prime is 50012639. The reversal of 50012621 is 12621005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32330596 + 17682025 = 5686^2 + 4205^2 .

It is a cyclic number.

It is not a de Polignac number, because 50012621 - 2¹⁴ = 49996237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50012621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50012671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25006310 + 25006311.

It is an arithmetic number, because the mean of its divisors is an integer number (25006311).

Almost surely, 2^50012621 is an apocalyptic number.

It is an amenable number.

50012621 is a deficient number, since it is larger than the sum of its proper divisors (1).

50012621 is an equidigital number, since it uses as much as digits as its factorization.

50012621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 50012621 is about 7071.9601950237. The cubic root of 50012621 is about 368.4341446973.

Adding to 50012621 its reverse (12621005), we get a palindrome (62633626).

The spelling of 50012621 in words is "fifty million, twelve thousand, six hundred twenty-one".