605138504 has 16 divisors (see below), whose sum is σ = 1144677420. Its totient is φ = 299891200.

The previous prime is 605138491. The next prime is 605138519. The reversal of 605138504 is 405831506.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 524318404 + 80820100 = 22898^2 + 8990^2 .

It is an unprimeable number.

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, 333797 + ... + 335604.

Almost surely, 2^605138504 is an apocalyptic number.

It is an amenable number.

605138504 is a deficient number, since it is larger than the sum of its proper divisors (539538916).

605138504 is a wasteful number, since it uses less digits than its factorization.

605138504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669520 (or 669516 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 605138504 is about 24599.5630855509. The cubic root of 605138504 is about 845.8335921527.

The spelling of 605138504 in words is "six hundred five million, one hundred thirty-eight thousand, five hundred four".