457235337521 has 2 divisors, whose sum is σ = 457235337522. Its totient is φ = 457235337520.

The previous prime is 457235337499. The next prime is 457235337563. The reversal of 457235337521 is 125733532754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337630723600 + 119604613921 = 581060^2 + 345839^2 .

It is a cyclic number.

It is not a de Polignac number, because 457235337521 - 2¹⁸ = 457235075377 is a prime.

It is not a weakly prime, because it can be changed into another prime (457235337571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228617668760 + 228617668761.

It is an arithmetic number, because the mean of its divisors is an integer number (228617668761).

Almost surely, 2^457235337521 is an apocalyptic number.

It is an amenable number.

457235337521 is a deficient number, since it is larger than the sum of its proper divisors (1).

457235337521 is an equidigital number, since it uses as much as digits as its factorization.

457235337521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646000, while the sum is 47.

The spelling of 457235337521 in words is "four hundred fifty-seven billion, two hundred thirty-five million, three hundred thirty-seven thousand, five hundred twenty-one".