4531245253521 has 96 divisors (see below), whose sum is σ = 7299383680512. Its totient is φ = 2490947665920.

The previous prime is 4531245253519. The next prime is 4531245253523. The reversal of 4531245253521 is 1253525421354.

It is an interprime number because it is at equal distance from previous prime (4531245253519) and next prime (4531245253523).

It is not a de Polignac number, because 4531245253521 - 2¹ = 4531245253519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4531245253523) 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 95 ways as a sum of consecutive naturals, for example, 649451185 + ... + 649458161.

It is an arithmetic number, because the mean of its divisors is an integer number (76035246672).

Almost surely, 2^{4531245253521} is an apocalyptic number.

It is an amenable number.

4531245253521 is a deficient number, since it is larger than the sum of its proper divisors (2768138426991).

4531245253521 is a wasteful number, since it uses less digits than its factorization.

4531245253521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8359 (or 8352 counting only the distinct ones).

The product of its digits is 720000, while the sum is 42.

The spelling of 4531245253521 in words is "four trillion, five hundred thirty-one billion, two hundred forty-five million, two hundred fifty-three thousand, five hundred twenty-one".