1253063075413 has 4 divisors (see below), whose sum is σ = 1261361506528. Its totient is φ = 1244764644300.

The previous prime is 1253063075357. The next prime is 1253063075423. The reversal of 1253063075413 is 3145703603521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1253063075413 - 2²¹ = 1253060978261 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 (1253063075423) 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, 4149215331 + ... + 4149215632.

It is an arithmetic number, because the mean of its divisors is an integer number (315340376632).

Almost surely, 2^{1253063075413} is an apocalyptic number.

It is an amenable number.

1253063075413 is a deficient number, since it is larger than the sum of its proper divisors (8298431115).

1253063075413 is an equidigital number, since it uses as much as digits as its factorization.

1253063075413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8298431114.

The product of its (nonzero) digits is 226800, while the sum is 40.

Adding to 1253063075413 its reverse (3145703603521), we get a palindrome (4398766678934).

The spelling of 1253063075413 in words is "one trillion, two hundred fifty-three billion, sixty-three million, seventy-five thousand, four hundred thirteen".