540445313 has 8 divisors (see below), whose sum is σ = 553975296. Its totient is φ = 526932000.

The previous prime is 540445309. The next prime is 540445331. The reversal of 540445313 is 313544045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540445313 - 2² = 540445309 is a prime.

It is a super-2 number, since 2×540445313² = 584162272687335938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540445303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84788 + ... + 90938.

It is an arithmetic number, because the mean of its divisors is an integer number (69246912).

Almost surely, 2^540445313 is an apocalyptic number.

It is an amenable number.

540445313 is a deficient number, since it is larger than the sum of its proper divisors (13529983).

540445313 is a wasteful number, since it uses less digits than its factorization.

540445313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 540445313 is about 23247.4797128635. The cubic root of 540445313 is about 814.5490689291.

Adding to 540445313 its reverse (313544045), we get a palindrome (853989358).

The spelling of 540445313 in words is "five hundred forty million, four hundred forty-five thousand, three hundred thirteen".