538254218 has 4 divisors (see below), whose sum is σ = 807381330. Its totient is φ = 269127108.

The previous prime is 538254217. The next prime is 538254313. The reversal of 538254218 is 812452835.

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

It can be written as a sum of positive squares in only one way, i.e., 428779849 + 109474369 = 20707^2 + 10463^2 .

It is not an unprimeable number, because it can be changed into a prime (538254217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134563553 + ... + 134563556.

Almost surely, 2^538254218 is an apocalyptic number.

538254218 is a deficient number, since it is larger than the sum of its proper divisors (269127112).

538254218 is a wasteful number, since it uses less digits than its factorization.

538254218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269127111.

The product of its digits is 76800, while the sum is 38.

The square root of 538254218 is about 23200.3064203902. The cubic root of 538254218 is about 813.4467854742.

The spelling of 538254218 in words is "five hundred thirty-eight million, two hundred fifty-four thousand, two hundred eighteen".