253603522051013 has 2 divisors, whose sum is σ = 253603522051014. Its totient is φ = 253603522051012.

The previous prime is 253603522051003. The next prime is 253603522051027. The reversal of 253603522051013 is 310150225306352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211908374327329 + 41695147723684 = 14557073^2 + 6457178^2 .

It is a cyclic number.

It is not a de Polignac number, because 253603522051013 - 2¹⁰ = 253603522049989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253603522051003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126801761025506 + 126801761025507.

It is an arithmetic number, because the mean of its divisors is an integer number (126801761025507).

Almost surely, 2^{253603522051013} is an apocalyptic number.

It is an amenable number.

253603522051013 is a deficient number, since it is larger than the sum of its proper divisors (1).

253603522051013 is an equidigital number, since it uses as much as digits as its factorization.

253603522051013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 253603522051013 its reverse (310150225306352), we get a palindrome (563753747357365).

The spelling of 253603522051013 in words is "two hundred fifty-three trillion, six hundred three billion, five hundred twenty-two million, fifty-one thousand, thirteen".