540101521 has 8 divisors (see below), whose sum is σ = 543277440. Its totient is φ = 536933712.

The previous prime is 540101483. The next prime is 540101537. The reversal of 540101521 is 125101045.

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 540101521 - 2¹¹ = 540099473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540101021) 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 7 ways as a sum of consecutive naturals, for example, 173646 + ... + 176728.

It is an arithmetic number, because the mean of its divisors is an integer number (67909680).

Almost surely, 2^540101521 is an apocalyptic number.

It is an amenable number.

540101521 is a deficient number, since it is larger than the sum of its proper divisors (3175919).

540101521 is a wasteful number, since it uses less digits than its factorization.

540101521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 540101521 is about 23240.0843587109. The cubic root of 540101521 is about 814.3763133347.

Adding to 540101521 its reverse (125101045), we get a palindrome (665202566).

The spelling of 540101521 in words is "five hundred forty million, one hundred one thousand, five hundred twenty-one".