501896501 has 16 divisors (see below), whose sum is σ = 531577728. Its totient is φ = 472929600.

The previous prime is 501896467. The next prime is 501896509. The reversal of 501896501 is 105698105.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501896501 is a prime.

It is a super-3 number, since 3×501896501³ (a number of 27 digits) contains 333 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501896509) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 472511 + ... + 473571.

It is an arithmetic number, because the mean of its divisors is an integer number (33223608).

Almost surely, 2^501896501 is an apocalyptic number.

It is an amenable number.

501896501 is a deficient number, since it is larger than the sum of its proper divisors (29681227).

501896501 is a wasteful number, since it uses less digits than its factorization.

501896501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 501896501 is about 22403.0466901268. The cubic root of 501896501 is about 794.7027624493.

The spelling of 501896501 in words is "five hundred one million, eight hundred ninety-six thousand, five hundred one".