253523445313 has 8 divisors (see below), whose sum is σ = 266941337600. Its totient is φ = 240113008368.

The previous prime is 253523445299. The next prime is 253523445353. The reversal of 253523445313 is 313544325352.

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 253523445313 - 2²¹ = 253521348161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253523445353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1793958 + ... + 1930111.

It is an arithmetic number, because the mean of its divisors is an integer number (33367667200).

Almost surely, 2^253523445313 is an apocalyptic number.

It is an amenable number.

253523445313 is a deficient number, since it is larger than the sum of its proper divisors (13417892287).

253523445313 is a wasteful number, since it uses less digits than its factorization.

253523445313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727671.

The product of its digits is 648000, while the sum is 40.

The spelling of 253523445313 in words is "two hundred fifty-three billion, five hundred twenty-three million, four hundred forty-five thousand, three hundred thirteen".