253021441300013 has 4 divisors (see below), whose sum is σ = 253149683289468. Its totient is φ = 252893199310560.

The previous prime is 253021441300009. The next prime is 253021441300037. The reversal of 253021441300013 is 310003144120352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131309643557764 + 121711797742249 = 11459042^2 + 11032307^2 .

It is a cyclic number.

It is not a de Polignac number, because 253021441300013 - 2² = 253021441300009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253021441300073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64120991768 + ... + 64120995713.

It is an arithmetic number, because the mean of its divisors is an integer number (63287420822367).

Almost surely, 2^{253021441300013} is an apocalyptic number.

It is an amenable number.

253021441300013 is a deficient number, since it is larger than the sum of its proper divisors (128241989455).

253021441300013 is a wasteful number, since it uses less digits than its factorization.

253021441300013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128241989454.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 253021441300013 its reverse (310003144120352), we get a palindrome (563024585420365).

The spelling of 253021441300013 in words is "two hundred fifty-three trillion, twenty-one billion, four hundred forty-one million, three hundred thousand, thirteen".