253575323575353 has 80 divisors (see below), whose sum is σ = 409136051204496. Its totient is φ = 155587630049280.

The previous prime is 253575323575337. The next prime is 253575323575381. The reversal of 253575323575353 is 353575323575352.

It is a happy number.

253575323575353 is a `hidden beast` number, since 2 + 5 + 3 + 5 + 7 + 5 + 3 + 2 + 3 + 575 + 3 + 53 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 5935908522384 + 247639415052969 = 2436372^2 + 15736563^2 .

It is not a de Polignac number, because 253575323575353 - 2⁴ = 253575323575337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253575323575253) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1000245373 + ... + 1000498853.

Almost surely, 2^{253575323575353} is an apocalyptic number.

It is an amenable number.

253575323575353 is a deficient number, since it is larger than the sum of its proper divisors (155560727629143).

253575323575353 is a wasteful number, since it uses less digits than its factorization.

253575323575353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256296 (or 256287 counting only the distinct ones).

The product of its digits is 744187500, while the sum is 63.

Subtracting 253575323575353 from its reverse (353575323575352), we obtain a palindrome (99999999999999).

The spelling of 253575323575353 in words is "two hundred fifty-three trillion, five hundred seventy-five billion, three hundred twenty-three million, five hundred seventy-five thousand, three hundred fifty-three".