505061328 has 20 divisors (see below), whose sum is σ = 1304741888. Its totient is φ = 168353760.

The previous prime is 505061317. The next prime is 505061341. The reversal of 505061328 is 823160505.

It is a super-2 number, since 2×505061328² = 510173890082247168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505061295 and 505061304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5261008 + ... + 5261103.

Almost surely, 2^505061328 is an apocalyptic number.

It is an amenable number.

505061328 is an abundant number, since it is smaller than the sum of its proper divisors (799680560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505061328 is a wasteful number, since it uses less digits than its factorization.

505061328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522122 (or 10522116 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 505061328 is about 22473.5695429097. The cubic root of 505061328 is about 796.3696590335.

The spelling of 505061328 in words is "five hundred five million, sixty-one thousand, three hundred twenty-eight".