501772001 has 8 divisors (see below), whose sum is σ = 505150464. Its totient is φ = 498400560.

The previous prime is 501771989. The next prime is 501772003. The reversal of 501772001 is 100277105.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501772001 - 2⁶ = 501771937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501772003) 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 7 ways as a sum of consecutive naturals, for example, 300170 + ... + 301836.

It is an arithmetic number, because the mean of its divisors is an integer number (63143808).

Almost surely, 2^501772001 is an apocalyptic number.

It is an amenable number.

501772001 is a deficient number, since it is larger than the sum of its proper divisors (3378463).

501772001 is a wasteful number, since it uses less digits than its factorization.

501772001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 501772001 is about 22400.2678778625. The cubic root of 501772001 is about 794.6370459282.

The spelling of 501772001 in words is "five hundred one million, seven hundred seventy-two thousand, one".