540175397 has 4 divisors (see below), whose sum is σ = 540259596. Its totient is φ = 540091200.

The previous prime is 540175393. The next prime is 540175409. The reversal of 540175397 is 793571045.

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 81830116 + 458345281 = 9046^2 + 21409^2 .

It is a cyclic number.

It is not a de Polignac number, because 540175397 - 2² = 540175393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540175393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31604 + ... + 45597.

It is an arithmetic number, because the mean of its divisors is an integer number (135064899).

Almost surely, 2^540175397 is an apocalyptic number.

It is an amenable number.

540175397 is a deficient number, since it is larger than the sum of its proper divisors (84199).

540175397 is an equidigital number, since it uses as much as digits as its factorization.

540175397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84198.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 540175397 is about 23241.6737133968. The cubic root of 540175397 is about 814.4134422319.

The spelling of 540175397 in words is "five hundred forty million, one hundred seventy-five thousand, three hundred ninety-seven".