253245206133 has 8 divisors (see below), whose sum is σ = 375178083200. Its totient is φ = 168830137404.

The previous prime is 253245206129. The next prime is 253245206153. The reversal of 253245206133 is 331602542352.

253245206133 is a `hidden beast` number, since 2 + 5 + 32 + 4 + 5 + 2 + 0 + 613 + 3 = 666.

It is not a de Polignac number, because 253245206133 - 2² = 253245206129 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 (253245206113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4689726013 + ... + 4689726066.

It is an arithmetic number, because the mean of its divisors is an integer number (46897260400).

Almost surely, 2^253245206133 is an apocalyptic number.

It is an amenable number.

253245206133 is a deficient number, since it is larger than the sum of its proper divisors (121932877067).

253245206133 is an equidigital number, since it uses as much as digits as its factorization.

253245206133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9379452088 (or 9379452082 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 253245206133 its reverse (331602542352), we get a palindrome (584847748485).

The spelling of 253245206133 in words is "two hundred fifty-three billion, two hundred forty-five million, two hundred six thousand, one hundred thirty-three".