545200523 has 32 divisors (see below), whose sum is σ = 673505280. Its totient is φ = 432251520.

The previous prime is 545200511. The next prime is 545200549. The reversal of 545200523 is 325002545.

545200523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 545200523 - 2¹⁴ = 545184139 is a prime.

It is a super-2 number, since 2×545200523² = 594487220558947058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545200492 and 545200501.

It is not an unprimeable number, because it can be changed into a prime (545200553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2854358 + ... + 2854548.

It is an arithmetic number, because the mean of its divisors is an integer number (21047040).

Almost surely, 2^545200523 is an apocalyptic number.

545200523 is a deficient number, since it is larger than the sum of its proper divisors (128304757).

545200523 is an equidigital number, since it uses as much as digits as its factorization.

545200523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 545200523 is about 23349.5293956859. The cubic root of 545200523 is about 816.9310841874.

The spelling of 545200523 in words is "five hundred forty-five million, two hundred thousand, five hundred twenty-three".