540324521 has 8 divisors (see below), whose sum is σ = 589892544. Its totient is φ = 490831120.

The previous prime is 540324497. The next prime is 540324593. The reversal of 540324521 is 125423045.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540324521 - 2¹⁴ = 540308137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540321521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930 + ... + 33003.

It is an arithmetic number, because the mean of its divisors is an integer number (73736568).

Almost surely, 2^540324521 is an apocalyptic number.

It is an amenable number.

540324521 is a deficient number, since it is larger than the sum of its proper divisors (49568023).

540324521 is a wasteful number, since it uses less digits than its factorization.

540324521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37311.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 540324521 is about 23244.8816086467. The cubic root of 540324521 is about 814.4883792596.

Adding to 540324521 its reverse (125423045), we get a palindrome (665747566).

The spelling of 540324521 in words is "five hundred forty million, three hundred twenty-four thousand, five hundred twenty-one".