253203523653613 has 32 divisors (see below), whose sum is σ = 287630481600000. Its totient is φ = 220963558737600.

The previous prime is 253203523653611. The next prime is 253203523653623. The reversal of 253203523653613 is 316356325302352.

It is a cyclic number.

It is not a de Polignac number, because 253203523653613 - 2¹ = 253203523653611 is a prime.

It is a super-2 number, since 2×253203523653613² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253203523653611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3751185138 + ... + 3751252636.

It is an arithmetic number, because the mean of its divisors is an integer number (8988452550000).

Almost surely, 2^{253203523653613} is an apocalyptic number.

It is an amenable number.

253203523653613 is a deficient number, since it is larger than the sum of its proper divisors (34426957946387).

253203523653613 is a wasteful number, since it uses less digits than its factorization.

253203523653613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98953.

The product of its (nonzero) digits is 8748000, while the sum is 49.

Adding to 253203523653613 its reverse (316356325302352), we get a palindrome (569559848955965).

The spelling of 253203523653613 in words is "two hundred fifty-three trillion, two hundred three billion, five hundred twenty-three million, six hundred fifty-three thousand, six hundred thirteen".