540652 has 12 divisors (see below), whose sum is σ = 1081360. Its totient is φ = 231696.

The previous prime is 540629. The next prime is 540677. The reversal of 540652 is 256045.

540652 is an admirable number.

It is an unprimeable number.

540652 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9627 + ... + 9682.

2⁵⁴⁰⁶⁵² is an apocalyptic number.

It is an amenable number.

540652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540652 is a wasteful number, since it uses less digits than its factorization.

540652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19320 (or 19318 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 540652 is about 735.2904188142. The cubic root of 540652 is about 81.4652893955.

Adding to 540652 its reverse (256045), we get a palindrome (796697).

The spelling of 540652 in words is "five hundred forty thousand, six hundred fifty-two".