523042788481 has 2 divisors, whose sum is σ = 523042788482. Its totient is φ = 523042788480.

The previous prime is 523042788419. The next prime is 523042788487. The reversal of 523042788481 is 184887240325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504632640625 + 18410147856 = 710375^2 + 135684^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523042788481 is a prime.

It is a super-2 number, since 2×523042788481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (523042788487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261521394240 + 261521394241.

It is an arithmetic number, because the mean of its divisors is an integer number (261521394241).

Almost surely, 2^523042788481 is an apocalyptic number.

It is an amenable number.

523042788481 is a deficient number, since it is larger than the sum of its proper divisors (1).

523042788481 is an equidigital number, since it uses as much as digits as its factorization.

523042788481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3440640, while the sum is 52.

The spelling of 523042788481 in words is "five hundred twenty-three billion, forty-two million, seven hundred eighty-eight thousand, four hundred eighty-one".