253050524021 has 2 divisors, whose sum is σ = 253050524022. Its totient is φ = 253050524020.

The previous prime is 253050524011. The next prime is 253050524039. The reversal of 253050524021 is 120425050352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203428060900 + 49622463121 = 451030^2 + 222761^2 .

It is a cyclic number.

It is not a de Polignac number, because 253050524021 - 2²² = 253046329717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253050524011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126525262010 + 126525262011.

It is an arithmetic number, because the mean of its divisors is an integer number (126525262011).

Almost surely, 2^253050524021 is an apocalyptic number.

It is an amenable number.

253050524021 is a deficient number, since it is larger than the sum of its proper divisors (1).

253050524021 is an equidigital number, since it uses as much as digits as its factorization.

253050524021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 253050524021 its reverse (120425050352), we get a palindrome (373475574373).

The spelling of 253050524021 in words is "two hundred fifty-three billion, fifty million, five hundred twenty-four thousand, twenty-one".