540537 has 4 divisors (see below), whose sum is σ = 720720. Its totient is φ = 360356.

The previous prime is 540517. The next prime is 540539. The reversal of 540537 is 735045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540537 - 2¹² = 536441 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (540539) 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, 90087 + ... + 90092.

It is an arithmetic number, because the mean of its divisors is an integer number (180180).

2⁵⁴⁰⁵³⁷ is an apocalyptic number.

It is an amenable number.

540537 is a deficient number, since it is larger than the sum of its proper divisors (180183).

540537 is a wasteful number, since it uses less digits than its factorization.

540537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180182.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 540537 is about 735.2122142620. The cubic root of 540537 is about 81.4595129302.

The spelling of 540537 in words is "five hundred forty thousand, five hundred thirty-seven".