505352001 has 16 divisors (see below), whose sum is σ = 840066048. Its totient is φ = 262520400.

The previous prime is 505351991. The next prime is 505352009. The reversal of 505352001 is 100253505.

It is not a de Polignac number, because 505352001 - 2⁵ = 505351969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (505352009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093605 + ... + 1094066.

It is an arithmetic number, because the mean of its divisors is an integer number (52504128).

Almost surely, 2^505352001 is an apocalyptic number.

It is an amenable number.

505352001 is a deficient number, since it is larger than the sum of its proper divisors (334714047).

505352001 is a wasteful number, since it uses less digits than its factorization.

505352001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187692.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 505352001 is about 22480.0356094024. The cubic root of 505352001 is about 796.5224053447.

The spelling of 505352001 in words is "five hundred five million, three hundred fifty-two thousand, one".