506197 has 4 divisors (see below), whose sum is σ = 519916. Its totient is φ = 492480.

The previous prime is 506183. The next prime is 506201. The reversal of 506197 is 791605.

506197 = T₇₈ + T₇₉ + ... + T₁₅₁.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 463761 + 42436 = 681^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 506197 - 2¹¹ = 504149 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6804 + ... + 6877.

It is an arithmetic number, because the mean of its divisors is an integer number (129979).

2⁵⁰⁶¹⁹⁷ is an apocalyptic number.

It is an amenable number.

506197 is a deficient number, since it is larger than the sum of its proper divisors (13719).

506197 is a wasteful number, since it uses less digits than its factorization.

506197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13718.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 506197 is about 711.4752279595. The cubic root of 506197 is about 79.6966113124.

It can be divided in two parts, 506 and 197, that added together give a triangular number (703 = T₃₇).

The spelling of 506197 in words is "five hundred six thousand, one hundred ninety-seven".