538093247 has 4 divisors (see below), whose sum is σ = 539644296. Its totient is φ = 536542200.

The previous prime is 538093189. The next prime is 538093249. The reversal of 538093247 is 742390835.

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

It is a cyclic number.

It is not a de Polignac number, because 538093247 - 2²² = 533898943 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 (538093249) 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, 775004 + ... + 775697.

It is an arithmetic number, because the mean of its divisors is an integer number (134911074).

Almost surely, 2^538093247 is an apocalyptic number.

538093247 is a deficient number, since it is larger than the sum of its proper divisors (1551049).

538093247 is a wasteful number, since it uses less digits than its factorization.

538093247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551048.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 538093247 is about 23196.8370042124. The cubic root of 538093247 is about 813.3656872413.

The spelling of 538093247 in words is "five hundred thirty-eight million, ninety-three thousand, two hundred forty-seven".