505303256 has 32 divisors (see below), whose sum is σ = 956219040. Its totient is φ = 250322688.

The previous prime is 505303243. The next prime is 505303283. The reversal of 505303256 is 652303505.

It is a happy number.

It is a super-3 number, since 3×505303256³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818660 + ... + 819276.

It is an arithmetic number, because the mean of its divisors is an integer number (29881845).

Almost surely, 2^505303256 is an apocalyptic number.

It is an amenable number.

505303256 is a deficient number, since it is larger than the sum of its proper divisors (450915784).

505303256 is a wasteful number, since it uses less digits than its factorization.

505303256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 505303256 is about 22478.9513990310. The cubic root of 505303256 is about 796.4967943297.

The spelling of 505303256 in words is "five hundred five million, three hundred three thousand, two hundred fifty-six".