538226719 has 2 divisors, whose sum is σ = 538226720. Its totient is φ = 538226718.

The previous prime is 538226693. The next prime is 538226771. The reversal of 538226719 is 917622835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538226719 - 2²¹ = 536129567 is a prime.

It is a super-2 number, since 2×538226719² = 579376002091009922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538226219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269113359 + 269113360.

It is an arithmetic number, because the mean of its divisors is an integer number (269113360).

Almost surely, 2^538226719 is an apocalyptic number.

538226719 is a deficient number, since it is larger than the sum of its proper divisors (1).

538226719 is an equidigital number, since it uses as much as digits as its factorization.

538226719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 538226719 is about 23199.7137697860. The cubic root of 538226719 is about 813.4329324451.

The spelling of 538226719 in words is "five hundred thirty-eight million, two hundred twenty-six thousand, seven hundred nineteen".