50251502501 has 2 divisors, whose sum is σ = 50251502502. Its totient is φ = 50251502500.

The previous prime is 50251502491. The next prime is 50251502507. The reversal of 50251502501 is 10520515205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25257473476 + 24994029025 = 158926^2 + 158095^2 .

It is a cyclic number.

It is not a de Polignac number, because 50251502501 - 2³⁰ = 49177760677 is a prime.

It is a Sophie Germain 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 (50251502507) 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, 25125751250 + 25125751251.

It is an arithmetic number, because the mean of its divisors is an integer number (25125751251).

Almost surely, 2^50251502501 is an apocalyptic number.

It is an amenable number.

50251502501 is a deficient number, since it is larger than the sum of its proper divisors (1).

50251502501 is an equidigital number, since it uses as much as digits as its factorization.

50251502501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 50251502501 in words is "fifty billion, two hundred fifty-one million, five hundred two thousand, five hundred one".