501205 has 8 divisors (see below), whose sum is σ = 612000. Its totient is φ = 393936.

The previous prime is 501203. The next prime is 501209. The reversal of 501205 is 502105.

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 501205 - 2¹ = 501203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555 + ... + 1144.

It is an arithmetic number, because the mean of its divisors is an integer number (76500).

2⁵⁰¹²⁰⁵ is an apocalyptic number.

It is an amenable number.

501205 is a deficient number, since it is larger than the sum of its proper divisors (110795).

501205 is a wasteful number, since it uses less digits than its factorization.

501205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 501205 is about 707.9583321072. The cubic root of 501205 is about 79.4337620548.

Subtracting 501205 from its reverse (502105), we obtain a square (900 = 30²).

The spelling of 501205 in words is "five hundred one thousand, two hundred five".