545125523 has 6 divisors (see below), whose sum is σ = 575326764. Its totient is φ = 516434364.

The previous prime is 545125501. The next prime is 545125573. The reversal of 545125523 is 325521545.

It is not a de Polignac number, because 545125523 - 2²⁸ = 276690067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545125523.

It is not an unprimeable number, because it can be changed into a prime (545125573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 754661 + ... + 755382.

It is an arithmetic number, because the mean of its divisors is an integer number (95887794).

Almost surely, 2^545125523 is an apocalyptic number.

545125523 is a deficient number, since it is larger than the sum of its proper divisors (30201241).

545125523 is a wasteful number, since it uses less digits than its factorization.

545125523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510081 (or 1510062 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 545125523 is about 23347.9233123634. The cubic root of 545125523 is about 816.8936223494.

The spelling of 545125523 in words is "five hundred forty-five million, one hundred twenty-five thousand, five hundred twenty-three".