505941 has 8 divisors (see below), whose sum is σ = 680064. Its totient is φ = 334560.

The previous prime is 505927. The next prime is 505949. The reversal of 505941 is 149505.

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

It is not a de Polignac number, because 505941 - 2⁶ = 505877 is a prime.

505941 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205 + ... + 1026.

It is an arithmetic number, because the mean of its divisors is an integer number (85008).

2⁵⁰⁵⁹⁴¹ is an apocalyptic number.

505941 is the 411-st octagonal number.

It is an amenable number.

505941 is a deficient number, since it is larger than the sum of its proper divisors (174123).

505941 is a wasteful number, since it uses less digits than its factorization.

505941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 505941 is about 711.2952973273. The cubic root of 505941 is about 79.6831740058.

The spelling of 505941 in words is "five hundred five thousand, nine hundred forty-one".