545253325254321 has 4 divisors (see below), whose sum is σ = 727004433672432. Its totient is φ = 363502216836212.

The previous prime is 545253325254301. The next prime is 545253325254397. The reversal of 545253325254321 is 123452523352545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 545253325254321 - 2²² = 545253321060017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545253325254301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90875554209051 + ... + 90875554209056.

It is an arithmetic number, because the mean of its divisors is an integer number (181751108418108).

Almost surely, 2^{545253325254321} is an apocalyptic number.

It is an amenable number.

545253325254321 is a deficient number, since it is larger than the sum of its proper divisors (181751108418111).

545253325254321 is a wasteful number, since it uses less digits than its factorization.

545253325254321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181751108418110.

The product of its digits is 21600000, while the sum is 51.

The spelling of 545253325254321 in words is "five hundred forty-five trillion, two hundred fifty-three billion, three hundred twenty-five million, two hundred fifty-four thousand, three hundred twenty-one".