540405245 has 8 divisors (see below), whose sum is σ = 648612960. Its totient is φ = 432239760.

The previous prime is 540405191. The next prime is 540405329. The reversal of 540405245 is 542504045.

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

It is a de Polignac number, because none of the positive numbers 2^k-540405245 is a prime.

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, 37466 + ... + 49844.

It is an arithmetic number, because the mean of its divisors is an integer number (81076620).

Almost surely, 2^540405245 is an apocalyptic number.

It is an amenable number.

540405245 is a deficient number, since it is larger than the sum of its proper divisors (108207715).

540405245 is a wasteful number, since it uses less digits than its factorization.

540405245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21115.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 540405245 is about 23246.6179260554. The cubic root of 540405245 is about 814.5289385182.

The spelling of 540405245 in words is "five hundred forty million, four hundred five thousand, two hundred forty-five".