501354120457 has 2 divisors, whose sum is σ = 501354120458. Its totient is φ = 501354120456.

The previous prime is 501354120437. The next prime is 501354120461. The reversal of 501354120457 is 754021453105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470381992336 + 30972128121 = 685844^2 + 175989^2 .

It is a cyclic number.

It is not a de Polignac number, because 501354120457 - 2¹⁹ = 501353596169 is a prime.

It is not a weakly prime, because it can be changed into another prime (501354120437) 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, 250677060228 + 250677060229.

It is an arithmetic number, because the mean of its divisors is an integer number (250677060229).

Almost surely, 2^501354120457 is an apocalyptic number.

It is an amenable number.

501354120457 is a deficient number, since it is larger than the sum of its proper divisors (1).

501354120457 is an equidigital number, since it uses as much as digits as its factorization.

501354120457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 501354120457 in words is "five hundred one billion, three hundred fifty-four million, one hundred twenty thousand, four hundred fifty-seven".