1004712538 has 8 divisors (see below), whose sum is σ = 1515395700. Its totient is φ = 499580640.

The previous prime is 1004712523. The next prime is 1004712547. The reversal of 1004712538 is 8352174001.

It can be written as a sum of positive squares in 2 ways, for example, as 989291209 + 15421329 = 31453^2 + 3927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387363 + ... + 1388086.

Almost surely, 2^1004712538 is an apocalyptic number.

1004712538 is a deficient number, since it is larger than the sum of its proper divisors (510683162).

1004712538 is a wasteful number, since it uses less digits than its factorization.

1004712538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775632.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1004712538 is about 31697.2007912371. The cubic root of 1004712538 is about 1001.5683848829.

Adding to 1004712538 its reverse (8352174001), we get a palindrome (9356886539).

The spelling of 1004712538 in words is "one billion, four million, seven hundred twelve thousand, five hundred thirty-eight".