545030523 has 36 divisors (see below), whose sum is σ = 879479640. Its totient is φ = 323232768.

The previous prime is 545030503. The next prime is 545030531. The reversal of 545030523 is 325030545.

It is not a de Polignac number, because 545030523 - 2⁵ = 545030491 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545030503) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1258515 + ... + 1258947.

It is an arithmetic number, because the mean of its divisors is an integer number (24429990).

Almost surely, 2^545030523 is an apocalyptic number.

545030523 is a deficient number, since it is larger than the sum of its proper divisors (334449117).

545030523 is a wasteful number, since it uses less digits than its factorization.

545030523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 545030523 is about 23345.8887815392. Note that the first 3 decimals coincide. The cubic root of 545030523 is about 816.8461657549.

The spelling of 545030523 in words is "five hundred forty-five million, thirty thousand, five hundred twenty-three".