253435322305 has 32 divisors (see below), whose sum is σ = 344988927360. Its totient is φ = 177038561280.

The previous prime is 253435322291. The next prime is 253435322339. The reversal of 253435322305 is 503223534352.

It is a happy number.

253435322305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-253435322305 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103807 + ... + 719476.

It is an arithmetic number, because the mean of its divisors is an integer number (10780903980).

Almost surely, 2^253435322305 is an apocalyptic number.

It is an amenable number.

253435322305 is a deficient number, since it is larger than the sum of its proper divisors (91553605055).

253435322305 is a wasteful number, since it uses less digits than its factorization.

253435322305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823521.

The product of its (nonzero) digits is 324000, while the sum is 37.

Adding to 253435322305 its reverse (503223534352), we get a palindrome (756658856657).

The spelling of 253435322305 in words is "two hundred fifty-three billion, four hundred thirty-five million, three hundred twenty-two thousand, three hundred five".