535123481 has 2 divisors, whose sum is σ = 535123482. Its totient is φ = 535123480.

The previous prime is 535123471. The next prime is 535123487. The reversal of 535123481 is 184321535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295152400 + 239971081 = 17180^2 + 15491^2 .

It is a cyclic number.

It is not a de Polignac number, because 535123481 - 2¹⁸ = 534861337 is a prime.

It is a super-2 number, since 2×535123481² = 572714279835114722, which contains 22 as substring.

It is equal to p_28105718 and since 535123481 and 28105718 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (535123487) 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, 267561740 + 267561741.

It is an arithmetic number, because the mean of its divisors is an integer number (267561741).

Almost surely, 2^535123481 is an apocalyptic number.

It is an amenable number.

535123481 is a deficient number, since it is larger than the sum of its proper divisors (1).

535123481 is an equidigital number, since it uses as much as digits as its factorization.

535123481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 32.

The square root of 535123481 is about 23132.7361330215. The cubic root of 535123481 is about 811.8665894412.

The spelling of 535123481 in words is "five hundred thirty-five million, one hundred twenty-three thousand, four hundred eighty-one".