505528075 has 12 divisors (see below), whose sum is σ = 675074848. Its totient is φ = 373312800.

The previous prime is 505528057. The next prime is 505528097. The reversal of 505528075 is 570825505.

It is not a de Polignac number, because 505528075 - 2⁵ = 505528043 is a prime.

It is a super-2 number, since 2×505528075² = 511117269226411250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777411 + ... + 778060.

Almost surely, 2^505528075 is an apocalyptic number.

505528075 is a deficient number, since it is larger than the sum of its proper divisors (169546773).

505528075 is a wasteful number, since it uses less digits than its factorization.

505528075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555494 (or 1555489 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 505528075 is about 22483.9514987913. The cubic root of 505528075 is about 796.6149023242.

The spelling of 505528075 in words is "five hundred five million, five hundred twenty-eight thousand, seventy-five".