540475 has 12 divisors (see below), whose sum is σ = 722176. Its totient is φ = 398880.

The previous prime is 540469. The next prime is 540509. The reversal of 540475 is 574045.

It is not a de Polignac number, because 540475 - 2⁷ = 540347 is a prime.

It is a super-2 number, since 2×540475² = 584226451250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507 + ... + 1156.

2⁵⁴⁰⁴⁷⁵ is an apocalyptic number.

540475 is a deficient number, since it is larger than the sum of its proper divisors (181701).

540475 is a wasteful number, since it uses less digits than its factorization.

540475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 540475 is about 735.1700483562. The cubic root of 540475 is about 81.4563983220.

The spelling of 540475 in words is "five hundred forty thousand, four hundred seventy-five".