545241434521 has 16 divisors (see below), whose sum is σ = 650267716608. Its totient is φ = 447001434000.

The previous prime is 545241434513. The next prime is 545241434581. The reversal of 545241434521 is 125434142545.

It is a cyclic number.

It is not a de Polignac number, because 545241434521 - 2³ = 545241434513 is a prime.

It is a super-3 number, since 3×545241434521³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545241434581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605846 + ... + 2807296.

It is an arithmetic number, because the mean of its divisors is an integer number (40641732288).

Almost surely, 2^545241434521 is an apocalyptic number.

It is an amenable number.

545241434521 is a deficient number, since it is larger than the sum of its proper divisors (105026282087).

545241434521 is a wasteful number, since it uses less digits than its factorization.

545241434521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218292.

The product of its digits is 384000, while the sum is 40.

The spelling of 545241434521 in words is "five hundred forty-five billion, two hundred forty-one million, four hundred thirty-four thousand, five hundred twenty-one".