540202205 has 12 divisors (see below), whose sum is σ = 684158652. Its totient is φ = 409415040.

The previous prime is 540202199. The next prime is 540202213. The reversal of 540202205 is 502202045.

It can be written as a sum of positive squares in 2 ways, for example, as 183521209 + 356680996 = 13547^2 + 18886^2 .

It is not a de Polignac number, because 540202205 - 2¹⁸ = 539940061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 147836 + ... + 151445.

It is an arithmetic number, because the mean of its divisors is an integer number (57013221).

Almost surely, 2^540202205 is an apocalyptic number.

It is an amenable number.

540202205 is a deficient number, since it is larger than the sum of its proper divisors (143956447).

540202205 is a wasteful number, since it uses less digits than its factorization.

540202205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299324 (or 299305 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 540202205 is about 23242.2504289064. The cubic root of 540202205 is about 814.4269146673.

The spelling of 540202205 in words is "five hundred forty million, two hundred two thousand, two hundred five".