505088 has 18 divisors (see below), whose sum is σ = 1008714. Its totient is φ = 252416.

The previous prime is 505073. The next prime is 505091. The reversal of 505088 is 880505.

It can be written as a sum of positive squares in only one way, i.e., 369664 + 135424 = 608^2 + 368^2 .

It is a super-2 number, since 2×505088² = 510227775488, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731 + ... + 1242.

2⁵⁰⁵⁰⁸⁸ is an apocalyptic number.

It is an amenable number.

505088 is a deficient number, since it is larger than the sum of its proper divisors (503626).

505088 is an equidigital number, since it uses as much as digits as its factorization.

505088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 505088 is about 710.6954340644. The cubic root of 505088 is about 79.6383677396.

The spelling of 505088 in words is "five hundred five thousand, eighty-eight".