501213066 has 16 divisors (see below), whose sum is σ = 1002746304. Its totient is φ = 167017664.

The previous prime is 501213047. The next prime is 501213077. The reversal of 501213066 is 660312105.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10210 + ... + 33266.

It is an arithmetic number, because the mean of its divisors is an integer number (62671644).

Almost surely, 2^501213066 is an apocalyptic number.

501213066 is an abundant number, since it is smaller than the sum of its proper divisors (501533238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501213066 is a wasteful number, since it uses less digits than its factorization.

501213066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26685.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 501213066 is about 22387.7883231015. The cubic root of 501213066 is about 794.3418816737.

The spelling of 501213066 in words is "five hundred one million, two hundred thirteen thousand, sixty-six".