540482 has 4 divisors (see below), whose sum is σ = 810726. Its totient is φ = 270240.

The previous prime is 540469. The next prime is 540509. The reversal of 540482 is 284045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 284045 = 5 ⋅56809.

It can be written as a sum of positive squares in only one way, i.e., 477481 + 63001 = 691^2 + 251^2 .

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135119 + ... + 135122.

2⁵⁴⁰⁴⁸² is an apocalyptic number.

540482 is a deficient number, since it is larger than the sum of its proper divisors (270244).

540482 is a wasteful number, since it uses less digits than its factorization.

540482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270243.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 540482 is about 735.1748091441. The cubic root of 540482 is about 81.4567499832.

The spelling of 540482 in words is "five hundred forty thousand, four hundred eighty-two".