538271449 has 4 divisors (see below), whose sum is σ = 552819364. Its totient is φ = 523723536.

The previous prime is 538271443. The next prime is 538271453. The reversal of 538271449 is 944172835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944172835 = 5 ⋅188834567.

It can be written as a sum of positive squares in 2 ways, for example, as 293505424 + 244766025 = 17132^2 + 15645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538271449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538271443) 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, 7273902 + ... + 7273975.

It is an arithmetic number, because the mean of its divisors is an integer number (138204841).

Almost surely, 2^538271449 is an apocalyptic number.

It is an amenable number.

538271449 is a deficient number, since it is larger than the sum of its proper divisors (14547915).

538271449 is a wasteful number, since it uses less digits than its factorization.

538271449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14547914.

The product of its digits is 241920, while the sum is 43.

The square root of 538271449 is about 23200.6777702721. The cubic root of 538271449 is about 813.4554656056.

The spelling of 538271449 in words is "five hundred thirty-eight million, two hundred seventy-one thousand, four hundred forty-nine".