540262165 has 4 divisors (see below), whose sum is σ = 648314604. Its totient is φ = 432209728.

The previous prime is 540262139. The next prime is 540262183. The reversal of 540262165 is 561262045.

540262165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561262045 = 5 ⋅112252409.

It can be written as a sum of positive squares in 2 ways, for example, as 153313924 + 386948241 = 12382^2 + 19671^2 .

It is a cyclic number.

It is not a de Polignac number, because 540262165 - 2⁹ = 540261653 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54026212 + ... + 54026221.

It is an arithmetic number, because the mean of its divisors is an integer number (162078651).

Almost surely, 2^540262165 is an apocalyptic number.

It is an amenable number.

540262165 is a deficient number, since it is larger than the sum of its proper divisors (108052439).

540262165 is a wasteful number, since it uses less digits than its factorization.

540262165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108052438.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 540262165 is about 23243.5402854212. The cubic root of 540262165 is about 814.4570461198.

The spelling of 540262165 in words is "five hundred forty million, two hundred sixty-two thousand, one hundred sixty-five".