505958 has 4 divisors (see below), whose sum is σ = 758940. Its totient is φ = 252978.

The previous prime is 505949. The next prime is 505961. The reversal of 505958 is 859505.

505958 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 126488 + ... + 126491.

It is an arithmetic number, because the mean of its divisors is an integer number (189735).

2⁵⁰⁵⁹⁵⁸ is an apocalyptic number.

505958 is a deficient number, since it is larger than the sum of its proper divisors (252982).

505958 is a wasteful number, since it uses less digits than its factorization.

505958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252981.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 505958 is about 711.3072472568. The cubic root of 505958 is about 79.6840664675.

The spelling of 505958 in words is "five hundred five thousand, nine hundred fifty-eight".