540352403 has 4 divisors (see below), whose sum is σ = 554956560. Its totient is φ = 525748248.

The previous prime is 540352367. The next prime is 540352427. The reversal of 540352403 is 304253045.

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

It is a cyclic number.

It is not a de Polignac number, because 540352403 - 2⁶ = 540352339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540352453) 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, 7302023 + ... + 7302096.

It is an arithmetic number, because the mean of its divisors is an integer number (138739140).

Almost surely, 2^540352403 is an apocalyptic number.

540352403 is a deficient number, since it is larger than the sum of its proper divisors (14604157).

540352403 is a wasteful number, since it uses less digits than its factorization.

540352403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14604156.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 540352403 is about 23245.4813458444. The cubic root of 540352403 is about 814.5023888492.

The spelling of 540352403 in words is "five hundred forty million, three hundred fifty-two thousand, four hundred three".