50425409 has 2 divisors, whose sum is σ = 50425410. Its totient is φ = 50425408.

The previous prime is 50425399. The next prime is 50425421. The reversal of 50425409 is 90452405.

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., 33640000 + 16785409 = 5800^2 + 4097^2 .

It is a cyclic number.

It is not a de Polignac number, because 50425409 - 2¹⁶ = 50359873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50425439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25212704 + 25212705.

It is an arithmetic number, because the mean of its divisors is an integer number (25212705).

Almost surely, 2^50425409 is an apocalyptic number.

It is an amenable number.

50425409 is a deficient number, since it is larger than the sum of its proper divisors (1).

50425409 is an equidigital number, since it uses as much as digits as its factorization.

50425409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 50425409 is about 7101.0850579330. The cubic root of 50425409 is about 369.4450140748.

The spelling of 50425409 in words is "fifty million, four hundred twenty-five thousand, four hundred nine".