501133019 has 2 divisors, whose sum is σ = 501133020. Its totient is φ = 501133018.

The previous prime is 501132979. The next prime is 501133027. The reversal of 501133019 is 910331105.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501133019 is a prime.

It is a super-2 number, since 2×501133019² = 502268605464108722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501132985 and 501133003.

It is not a weakly prime, because it can be changed into another prime (501133219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250566509 + 250566510.

It is an arithmetic number, because the mean of its divisors is an integer number (250566510).

Almost surely, 2^501133019 is an apocalyptic number.

501133019 is a deficient number, since it is larger than the sum of its proper divisors (1).

501133019 is an equidigital number, since it uses as much as digits as its factorization.

501133019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 501133019 is about 22386.0005137139. Note that the first 3 decimals coincide. The cubic root of 501133019 is about 794.2995922269.

Subtracting from 501133019 its sum of digits (23), we obtain a square (501132996 = 22386²).

The spelling of 501133019 in words is "five hundred one million, one hundred thirty-three thousand, nineteen".