538540311 has 8 divisors (see below), whose sum is σ = 718161520. Its totient is φ = 358972992.

The previous prime is 538540307. The next prime is 538540357. The reversal of 538540311 is 113045835.

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

It is not a de Polignac number, because 538540311 - 2² = 538540307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538540361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28785 + ... + 43653.

It is an arithmetic number, because the mean of its divisors is an integer number (89770190).

Almost surely, 2^538540311 is an apocalyptic number.

538540311 is a deficient number, since it is larger than the sum of its proper divisors (179621209).

538540311 is a wasteful number, since it uses less digits than its factorization.

538540311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26945.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 538540311 is about 23206.4713172856. The cubic root of 538540311 is about 813.5908810853.

The spelling of 538540311 in words is "five hundred thirty-eight million, five hundred forty thousand, three hundred eleven".