50625409 has 2 divisors, whose sum is σ = 50625410. Its totient is φ = 50625408.

The previous prime is 50625391. The next prime is 50625433. The reversal of 50625409 is 90452605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35141184 + 15484225 = 5928^2 + 3935^2 .

It is a cyclic number.

It is not a de Polignac number, because 50625409 - 2⁹ = 50624897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50625499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25312704 + 25312705.

It is an arithmetic number, because the mean of its divisors is an integer number (25312705).

Almost surely, 2^50625409 is an apocalyptic number.

It is an amenable number.

50625409 is a deficient number, since it is larger than the sum of its proper divisors (1).

50625409 is an equidigital number, since it uses as much as digits as its factorization.

50625409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 50625409 is about 7115.1534769111. The cubic root of 50625409 is about 369.9328073748.

The spelling of 50625409 in words is "fifty million, six hundred twenty-five thousand, four hundred nine".