493752481 has 2 divisors, whose sum is σ = 493752482. Its totient is φ = 493752480.

The previous prime is 493752461. The next prime is 493752557. The reversal of 493752481 is 184257394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420906256 + 72846225 = 20516^2 + 8535^2 .

It is a cyclic number.

It is not a de Polignac number, because 493752481 - 2⁷ = 493752353 is a prime.

It is a super-2 number, since 2×493752481² = 487583024987310722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (493752401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246876240 + 246876241.

It is an arithmetic number, because the mean of its divisors is an integer number (246876241).

Almost surely, 2^493752481 is an apocalyptic number.

It is an amenable number.

493752481 is a deficient number, since it is larger than the sum of its proper divisors (1).

493752481 is an equidigital number, since it uses as much as digits as its factorization.

493752481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 493752481 is about 22220.5418700805. The cubic root of 493752481 is about 790.3808882737.

The spelling of 493752481 in words is "four hundred ninety-three million, seven hundred fifty-two thousand, four hundred eighty-one".