522094387 has 2 divisors, whose sum is σ = 522094388. Its totient is φ = 522094386.

The previous prime is 522094357. The next prime is 522094393. The reversal of 522094387 is 783490225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 522094387 - 2¹⁹ = 521570099 is a prime.

It is a super-3 number, since 3×522094387³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (522094357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261047193 + 261047194.

It is an arithmetic number, because the mean of its divisors is an integer number (261047194).

Almost surely, 2^522094387 is an apocalyptic number.

522094387 is a deficient number, since it is larger than the sum of its proper divisors (1).

522094387 is an equidigital number, since it uses as much as digits as its factorization.

522094387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 522094387 is about 22849.3848276053. The cubic root of 522094387 is about 805.2233152289.

The spelling of 522094387 in words is "five hundred twenty-two million, ninety-four thousand, three hundred eighty-seven".