50203051253 has 2 divisors, whose sum is σ = 50203051254. Its totient is φ = 50203051252.

The previous prime is 50203051229. The next prime is 50203051279. The reversal of 50203051253 is 35215030205.

It is an a-pointer prime, because the next prime (50203051279) can be obtained adding 50203051253 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48508741009 + 1694310244 = 220247^2 + 41162^2 .

It is a cyclic number.

It is not a de Polignac number, because 50203051253 - 2²² = 50198856949 is a prime.

It is a super-2 number, since 2×50203051253² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50203051553) 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, 25101525626 + 25101525627.

It is an arithmetic number, because the mean of its divisors is an integer number (25101525627).

Almost surely, 2^50203051253 is an apocalyptic number.

It is an amenable number.

50203051253 is a deficient number, since it is larger than the sum of its proper divisors (1).

50203051253 is an equidigital number, since it uses as much as digits as its factorization.

50203051253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 50203051253 its reverse (35215030205), we get a palindrome (85418081458).

The spelling of 50203051253 in words is "fifty billion, two hundred three million, fifty-one thousand, two hundred fifty-three".