253245011605 has 8 divisors (see below), whose sum is σ = 304183719000. Its totient is φ = 202402872576.

The previous prime is 253245011573. The next prime is 253245011627. The reversal of 253245011605 is 506110542352.

It can be written as a sum of positive squares in 4 ways, for example, as 18207184356 + 235037827249 = 134934^2 + 484807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253245011605 - 2⁵ = 253245011573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24136320 + ... + 24146809.

It is an arithmetic number, because the mean of its divisors is an integer number (38022964875).

Almost surely, 2^253245011605 is an apocalyptic number.

It is an amenable number.

253245011605 is a deficient number, since it is larger than the sum of its proper divisors (50938707395).

253245011605 is a wasteful number, since it uses less digits than its factorization.

253245011605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48284183.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 253245011605 its reverse (506110542352), we get a palindrome (759355553957).

The spelling of 253245011605 in words is "two hundred fifty-three billion, two hundred forty-five million, eleven thousand, six hundred five".