545040625 has 12 divisors (see below), whose sum is σ = 681261084. Its totient is φ = 436030000.

The previous prime is 545040619. The next prime is 545040677. The reversal of 545040625 is 526040545.

It can be written as a sum of positive squares in 6 ways, for example, as 332551696 + 212488929 = 18236^2 + 14577^2 .

It is not a de Polignac number, because 545040625 - 2¹⁷ = 544909553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84082 + ... + 90331.

It is an arithmetic number, because the mean of its divisors is an integer number (56771757).

Almost surely, 2^545040625 is an apocalyptic number.

It is an amenable number.

545040625 is a deficient number, since it is larger than the sum of its proper divisors (136220459).

545040625 is an frugal number, since it uses more digits than its factorization.

545040625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174438 (or 174418 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 545040625 is about 23346.1051355467. The cubic root of 545040625 is about 816.8512124013.

The spelling of 545040625 in words is "five hundred forty-five million, forty thousand, six hundred twenty-five".