506695605 has 16 divisors (see below), whose sum is σ = 873075840. Its totient is φ = 249450048.

The previous prime is 506695597. The next prime is 506695619. The reversal of 506695605 is 506596605.

It is not a de Polignac number, because 506695605 - 2³ = 506695597 is a prime.

It is a super-2 number, since 2×506695605² = 513480872252632050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299025 + ... + 1299414.

It is an arithmetic number, because the mean of its divisors is an integer number (54567240).

Almost surely, 2^506695605 is an apocalyptic number.

It is an amenable number.

506695605 is a deficient number, since it is larger than the sum of its proper divisors (366380235).

506695605 is a wasteful number, since it uses less digits than its factorization.

506695605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598460.

The product of its (nonzero) digits is 243000, while the sum is 42.

The square root of 506695605 is about 22509.9001552650. The cubic root of 506695605 is about 797.2276982973.

The spelling of 506695605 in words is "five hundred six million, six hundred ninety-five thousand, six hundred five".