540160403 has 4 divisors (see below), whose sum is σ = 547768368. Its totient is φ = 532552440.

The previous prime is 540160381. The next prime is 540160417. The reversal of 540160403 is 304061045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304061045 = 5 ⋅60812209.

It is a cyclic number.

It is not a de Polignac number, because 540160403 - 2⁸ = 540160147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540160493) 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, 3803876 + ... + 3804017.

It is an arithmetic number, because the mean of its divisors is an integer number (136942092).

Almost surely, 2^540160403 is an apocalyptic number.

540160403 is a deficient number, since it is larger than the sum of its proper divisors (7607965).

540160403 is an equidigital number, since it uses as much as digits as its factorization.

540160403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7607964.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 540160403 is about 23241.3511440277. The cubic root of 540160403 is about 814.4059067609.

The spelling of 540160403 in words is "five hundred forty million, one hundred sixty thousand, four hundred three".