501763965 has 16 divisors (see below), whose sum is σ = 805569408. Its totient is φ = 266691776.

The previous prime is 501763949. The next prime is 501763991. The reversal of 501763965 is 569367105.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 501763965 - 2⁴ = 501763949 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52689 + ... + 61478.

It is an arithmetic number, because the mean of its divisors is an integer number (50348088).

Almost surely, 2^501763965 is an apocalyptic number.

It is an amenable number.

501763965 is a deficient number, since it is larger than the sum of its proper divisors (303805443).

501763965 is a wasteful number, since it uses less digits than its factorization.

501763965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114468.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 501763965 is about 22400.0885042894. The cubic root of 501763965 is about 794.6328038040.

It can be divided in two parts, 501 and 763965, that added together give a triangular number (764466 = T₁₂₃₆).

The spelling of 501763965 in words is "five hundred one million, seven hundred sixty-three thousand, nine hundred sixty-five".