540435 has 16 divisors (see below), whose sum is σ = 988416. Its totient is φ = 247008.

The previous prime is 540433. The next prime is 540437. The reversal of 540435 is 534045.

It is a happy number.

540435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (540433) and next prime (540437).

It is not a de Polignac number, because 540435 - 2¹ = 540433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (540433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2469 + ... + 2678.

It is an arithmetic number, because the mean of its divisors is an integer number (61776).

2⁵⁴⁰⁴³⁵ is an apocalyptic number.

540435 is a deficient number, since it is larger than the sum of its proper divisors (447981).

540435 is a wasteful number, since it uses less digits than its factorization.

540435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 540435 is about 735.1428432625. The cubic root of 540435 is about 81.4543887709.

The spelling of 540435 in words is "five hundred forty thousand, four hundred thirty-five".