50151509 has 2 divisors, whose sum is σ = 50151510. Its totient is φ = 50151508.

The previous prime is 50151499. The next prime is 50151533. The reversal of 50151509 is 90515105.

50151509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26112100 + 24039409 = 5110^2 + 4903^2 .

It is a cyclic number.

It is not a de Polignac number, because 50151509 - 2²⁴ = 33374293 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50151559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25075754 + 25075755.

It is an arithmetic number, because the mean of its divisors is an integer number (25075755).

Almost surely, 2^50151509 is an apocalyptic number.

It is an amenable number.

50151509 is a deficient number, since it is larger than the sum of its proper divisors (1).

50151509 is an equidigital number, since it uses as much as digits as its factorization.

50151509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125, while the sum is 26.

The square root of 50151509 is about 7081.7730124595. The cubic root of 50151509 is about 368.7748839283.

The spelling of 50151509 in words is "fifty million, one hundred fifty-one thousand, five hundred nine".