506545605 has 24 divisors (see below), whose sum is σ = 924225120. Its totient is φ = 255938400.

The previous prime is 506545579. The next prime is 506545619.

It is a happy number.

506545605 is a `hidden beast` number, since 5 + 0 + 6 + 5 + 45 + 605 = 666.

506545605 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 506545605 - 2⁶ = 506545541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 506545605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295371 + ... + 297080.

It is an arithmetic number, because the mean of its divisors is an integer number (38509380).

Almost surely, 2^506545605 is an apocalyptic number.

It is an amenable number.

506545605 is a deficient number, since it is larger than the sum of its proper divisors (417679515).

506545605 is a wasteful number, since it uses less digits than its factorization.

506545605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592481 (or 592478 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 506545605 is about 22506.5680413518. The cubic root of 506545605 is about 797.1490212402.

The spelling of 506545605 in words is "five hundred six million, five hundred forty-five thousand, six hundred five".