506014991 has 2 divisors, whose sum is σ = 506014992. Its totient is φ = 506014990.

The previous prime is 506014981. The next prime is 506015023. The reversal of 506014991 is 199410605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506014991 - 2¹⁰ = 506013967 is a prime.

It is a super-2 number, since 2×506014991² = 512102342233460162, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506014981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253007495 + 253007496.

It is an arithmetic number, because the mean of its divisors is an integer number (253007496).

Almost surely, 2^506014991 is an apocalyptic number.

506014991 is a deficient number, since it is larger than the sum of its proper divisors (1).

506014991 is an equidigital number, since it uses as much as digits as its factorization.

506014991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 506014991 is about 22494.7769715550. The cubic root of 506014991 is about 796.8705822049.

The spelling of 506014991 in words is "five hundred six million, fourteen thousand, nine hundred ninety-one".