538798593 has 4 divisors (see below), whose sum is σ = 718398128. Its totient is φ = 359199060.

The previous prime is 538798571. The next prime is 538798597. The reversal of 538798593 is 395897835.

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 538798593 - 2¹⁰ = 538797569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (538798597) 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, 89799763 + ... + 89799768.

It is an arithmetic number, because the mean of its divisors is an integer number (179599532).

Almost surely, 2^538798593 is an apocalyptic number.

It is an amenable number.

538798593 is a deficient number, since it is larger than the sum of its proper divisors (179599535).

538798593 is a wasteful number, since it uses less digits than its factorization.

538798593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179599534.

The product of its digits is 8164800, while the sum is 57.

The square root of 538798593 is about 23212.0355203933. The cubic root of 538798593 is about 813.7209253866.

The spelling of 538798593 in words is "five hundred thirty-eight million, seven hundred ninety-eight thousand, five hundred ninety-three".