501183901 has 2 divisors, whose sum is σ = 501183902. Its totient is φ = 501183900.

The previous prime is 501183863. The next prime is 501183929. The reversal of 501183901 is 109381105.

It is an a-pointer prime, because the next prime (501183929) can be obtained adding 501183901 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480924900 + 20259001 = 21930^2 + 4501^2 .

It is a cyclic number.

It is not a de Polignac number, because 501183901 - 2¹¹ = 501181853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 501183901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501183301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250591950 + 250591951.

It is an arithmetic number, because the mean of its divisors is an integer number (250591951).

Almost surely, 2^501183901 is an apocalyptic number.

It is an amenable number.

501183901 is a deficient number, since it is larger than the sum of its proper divisors (1).

501183901 is an equidigital number, since it uses as much as digits as its factorization.

501183901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 501183901 is about 22387.1369540636. The cubic root of 501183901 is about 794.3264741010.

The spelling of 501183901 in words is "five hundred one million, one hundred eighty-three thousand, nine hundred one".