501050505 has 32 divisors (see below), whose sum is σ = 812934144. Its totient is φ = 263500736.

The previous prime is 501050483. The next prime is 501050521. The reversal of 501050505 is 505050105.

It is a cyclic number.

It is not a de Polignac number, because 501050505 - 2⁶ = 501050441 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421522 + ... + 422708.

It is an arithmetic number, because the mean of its divisors is an integer number (25404192).

Almost surely, 2^501050505 is an apocalyptic number.

It is an amenable number.

501050505 is a deficient number, since it is larger than the sum of its proper divisors (311883639).

501050505 is a wasteful number, since it uses less digits than its factorization.

501050505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 501050505 is about 22384.1574556649. The cubic root of 501050505 is about 794.2559947311.

It can be divided in two parts, 50105050 and 5, that added together give a triangular number (50105055 = T₁₀₀₁₀).

The spelling of 501050505 in words is "five hundred one million, fifty thousand, five hundred five".