501001073 has 2 divisors, whose sum is σ = 501001074. Its totient is φ = 501001072.

The previous prime is 501001049. The next prime is 501001087. The reversal of 501001073 is 370100105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489825424 + 11175649 = 22132^2 + 3343^2 .

It is a cyclic number.

It is not a de Polignac number, because 501001073 - 2⁸ = 501000817 is a prime.

It is not a weakly prime, because it can be changed into another prime (501001573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250500536 + 250500537.

It is an arithmetic number, because the mean of its divisors is an integer number (250500537).

Almost surely, 2^501001073 is an apocalyptic number.

It is an amenable number.

501001073 is a deficient number, since it is larger than the sum of its proper divisors (1).

501001073 is an equidigital number, since it uses as much as digits as its factorization.

501001073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 501001073 is about 22383.0532546389. The cubic root of 501001073 is about 794.2298743080.

Adding to 501001073 its reverse (370100105), we get a palindrome (871101178).

The spelling of 501001073 in words is "five hundred one million, one thousand, seventy-three".