545501525 has 24 divisors (see below), whose sum is σ = 718648200. Its totient is φ = 409333760.

The previous prime is 545501521. The next prime is 545501549. The reversal of 545501525 is 525105545.

It can be written as a sum of positive squares in 12 ways, for example, as 277655569 + 267845956 = 16663^2 + 16366^2 .

It is not a de Polignac number, because 545501525 - 2² = 545501521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545501491 and 545501500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545501521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132701 + ... + 136749.

It is an arithmetic number, because the mean of its divisors is an integer number (29943675).

Almost surely, 2^545501525 is an apocalyptic number.

It is an amenable number.

545501525 is a deficient number, since it is larger than the sum of its proper divisors (173146675).

545501525 is a wasteful number, since it uses less digits than its factorization.

545501525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393 (or 4388 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 32.

The square root of 545501525 is about 23355.9740751697. The cubic root of 545501525 is about 817.0813974763.

The spelling of 545501525 in words is "five hundred forty-five million, five hundred one thousand, five hundred twenty-five".