540321453 has 12 divisors (see below), whose sum is σ = 891959328. Its totient is φ = 308755080.

The previous prime is 540321437. The next prime is 540321461. The reversal of 540321453 is 354123045.

It is not a de Polignac number, because 540321453 - 2⁴ = 540321437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540321473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4288203 + ... + 4288328.

It is an arithmetic number, because the mean of its divisors is an integer number (74329944).

Almost surely, 2^540321453 is an apocalyptic number.

It is an amenable number.

540321453 is a deficient number, since it is larger than the sum of its proper divisors (351637875).

540321453 is a wasteful number, since it uses less digits than its factorization.

540321453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8576544 (or 8576541 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 540321453 is about 23244.8156155303. The cubic root of 540321453 is about 814.4868376829.

Adding to 540321453 its reverse (354123045), we get a palindrome (894444498).

The spelling of 540321453 in words is "five hundred forty million, three hundred twenty-one thousand, four hundred fifty-three".