505741919 has 2 divisors, whose sum is σ = 505741920. Its totient is φ = 505741918.

The previous prime is 505741903. The next prime is 505741931. The reversal of 505741919 is 919147505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505741919 - 2⁴ = 505741903 is a prime.

It is a super-2 number, since 2×505741919² = 511549777267605122, 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 (505741969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252870959 + 252870960.

It is an arithmetic number, because the mean of its divisors is an integer number (252870960).

Almost surely, 2^505741919 is an apocalyptic number.

505741919 is a deficient number, since it is larger than the sum of its proper divisors (1).

505741919 is an equidigital number, since it uses as much as digits as its factorization.

505741919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 505741919 is about 22488.7064768074. The cubic root of 505741919 is about 796.7272121450.

The spelling of 505741919 in words is "five hundred five million, seven hundred forty-one thousand, nine hundred nineteen".