540544252 has 24 divisors (see below), whose sum is σ = 994637952. Its totient is φ = 256542000.

The previous prime is 540544247. The next prime is 540544261. The reversal of 540544252 is 252445045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10374 + ... + 34477.

It is an arithmetic number, because the mean of its divisors is an integer number (41443248).

Almost surely, 2^540544252 is an apocalyptic number.

It is an amenable number.

540544252 is a deficient number, since it is larger than the sum of its proper divisors (454093700).

540544252 is a wasteful number, since it uses less digits than its factorization.

540544252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45009 (or 45007 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 540544252 is about 23249.6075665806. The cubic root of 540544252 is about 814.5987722330.

Adding to 540544252 its reverse (252445045), we get a palindrome (792989297).

The spelling of 540544252 in words is "five hundred forty million, five hundred forty-four thousand, two hundred fifty-two".