538239375 has 60 divisors (see below), whose sum is σ = 981998160. Its totient is φ = 283968000.

The previous prime is 538239371. The next prime is 538239413. The reversal of 538239375 is 573932835.

538239375 is a `hidden beast` number, since 538 + 23 + 93 + 7 + 5 = 666.

It is not a de Polignac number, because 538239375 - 2² = 538239371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 538239375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538239371) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 578911 + ... + 579839.

It is an arithmetic number, because the mean of its divisors is an integer number (16366636).

Almost surely, 2^538239375 is an apocalyptic number.

538239375 is a deficient number, since it is larger than the sum of its proper divisors (443758785).

538239375 is a wasteful number, since it uses less digits than its factorization.

538239375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1040 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 538239375 is about 23199.9865301685. The cubic root of 538239375 is about 813.4393081514.

The spelling of 538239375 in words is "five hundred thirty-eight million, two hundred thirty-nine thousand, three hundred seventy-five".