505001305 has 16 divisors (see below), whose sum is σ = 623952000. Its totient is φ = 392135040.

The previous prime is 505001297. The next prime is 505001309. The reversal of 505001305 is 503100505.

It is not a de Polignac number, because 505001305 - 2³ = 505001297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505001309) 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, 34606 + ... + 46984.

It is an arithmetic number, because the mean of its divisors is an integer number (38997000).

Almost surely, 2^505001305 is an apocalyptic number.

It is an amenable number.

505001305 is a deficient number, since it is larger than the sum of its proper divisors (118950695).

505001305 is a wasteful number, since it uses less digits than its factorization.

505001305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12624.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 505001305 is about 22472.2340900944. The cubic root of 505001305 is about 796.3381101324.

The spelling of 505001305 in words is "five hundred five million, one thousand, three hundred five".