506635 has 8 divisors (see below), whose sum is σ = 640080. Its totient is φ = 383904.

The previous prime is 506629. The next prime is 506647. The reversal of 506635 is 536605.

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

It is a cyclic number.

It is not a de Polignac number, because 506635 - 2⁷ = 506507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2572 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (80010).

2⁵⁰⁶⁶³⁵ is an apocalyptic number.

506635 is a deficient number, since it is larger than the sum of its proper divisors (133445).

506635 is a wasteful number, since it uses less digits than its factorization.

506635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 506635 is about 711.7829725415. The cubic root of 506635 is about 79.7195912013.

It can be divided in two parts, 5066 and 35, that multiplied together give a triangular number (177310 = T₅₉₅).

The spelling of 506635 in words is "five hundred six thousand, six hundred thirty-five".