505752975 has 144 divisors (see below), whose sum is σ = 1181299392. Its totient is φ = 200724480.

The previous prime is 505752959. The next prime is 505752983. The reversal of 505752975 is 579257505.

505752975 is a `hidden beast` number, since 5 + 0 + 57 + 529 + 75 = 666.

It is not a de Polignac number, because 505752975 - 2⁴ = 505752959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 505752975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 347349 + ... + 348801.

It is an arithmetic number, because the mean of its divisors is an integer number (8203468).

Almost surely, 2^505752975 is an apocalyptic number.

505752975 is an abundant number, since it is smaller than the sum of its proper divisors (675546417).

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

505752975 is a wasteful number, since it uses less digits than its factorization.

505752975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 551250, while the sum is 45.

The square root of 505752975 is about 22488.9522877345. The cubic root of 505752975 is about 796.7330178413.

The spelling of 505752975 in words is "five hundred five million, seven hundred fifty-two thousand, nine hundred seventy-five".