540052097 has 4 divisors (see below), whose sum is σ = 581594580. Its totient is φ = 498509616.

The previous prime is 540052087. The next prime is 540052099. The reversal of 540052097 is 790250045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 185068816 + 354983281 = 13604^2 + 18841^2 .

It is a cyclic number.

It is not a de Polignac number, because 540052097 - 2⁴ = 540052081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540052099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20771222 + ... + 20771247.

It is an arithmetic number, because the mean of its divisors is an integer number (145398645).

Almost surely, 2^540052097 is an apocalyptic number.

It is an amenable number.

540052097 is a deficient number, since it is larger than the sum of its proper divisors (41542483).

540052097 is a wasteful number, since it uses less digits than its factorization.

540052097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41542482.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 540052097 is about 23239.0209991729. The cubic root of 540052097 is about 814.3514717317.

The spelling of 540052097 in words is "five hundred forty million, fifty-two thousand, ninety-seven".