540003757 has 4 divisors (see below), whose sum is σ = 543125340. Its totient is φ = 536882176.

The previous prime is 540003749. The next prime is 540003773. The reversal of 540003757 is 757300045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 499477801 + 40525956 = 22349^2 + 6366^2 .

It is a cyclic number.

It is not a de Polignac number, because 540003757 - 2³ = 540003749 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540003797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1560532 + ... + 1560877.

It is an arithmetic number, because the mean of its divisors is an integer number (135781335).

Almost surely, 2^540003757 is an apocalyptic number.

It is an amenable number.

540003757 is a deficient number, since it is larger than the sum of its proper divisors (3121583).

540003757 is a wasteful number, since it uses less digits than its factorization.

540003757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121582.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 540003757 is about 23237.9809148730. The cubic root of 540003757 is about 814.3271735050.

The spelling of 540003757 in words is "five hundred forty million, three thousand, seven hundred fifty-seven".