538265289 has 4 divisors (see below), whose sum is σ = 717687056. Its totient is φ = 358843524.

The previous prime is 538265279. The next prime is 538265309. The reversal of 538265289 is 982562835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 538265289 - 2⁵ = 538265257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538265279) 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 in 3 ways as a sum of consecutive naturals, for example, 89710879 + ... + 89710884.

It is an arithmetic number, because the mean of its divisors is an integer number (179421764).

Almost surely, 2^538265289 is an apocalyptic number.

It is an amenable number.

538265289 is a deficient number, since it is larger than the sum of its proper divisors (179421767).

538265289 is a wasteful number, since it uses less digits than its factorization.

538265289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179421766.

The product of its digits is 1036800, while the sum is 48.

The square root of 538265289 is about 23200.5450151500. The cubic root of 538265289 is about 813.4523625215.

The spelling of 538265289 in words is "five hundred thirty-eight million, two hundred sixty-five thousand, two hundred eighty-nine".