540097441 has 4 divisors (see below), whose sum is σ = 581643412. Its totient is φ = 498551472.

The previous prime is 540097433. The next prime is 540097447. The reversal of 540097441 is 144790045.

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 179667216 + 360430225 = 13404^2 + 18985^2 .

It is a cyclic number.

It is not a de Polignac number, because 540097441 - 2³ = 540097433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540097397 and 540097406.

It is not an unprimeable number, because it can be changed into a prime (540097447) 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, 20772966 + ... + 20772991.

It is an arithmetic number, because the mean of its divisors is an integer number (145410853).

Almost surely, 2^540097441 is an apocalyptic number.

It is an amenable number.

540097441 is a deficient number, since it is larger than the sum of its proper divisors (41545971).

540097441 is a wasteful number, since it uses less digits than its factorization.

540097441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41545970.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 540097441 is about 23239.9965791736. The cubic root of 540097441 is about 814.3742626932.

The spelling of 540097441 in words is "five hundred forty million, ninety-seven thousand, four hundred forty-one".