1054433521 has 2 divisors, whose sum is σ = 1054433522. Its totient is φ = 1054433520.

The previous prime is 1054433507. The next prime is 1054433581. The reversal of 1054433521 is 1253344501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540051121 + 514382400 = 23239^2 + 22680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054433521 - 2¹¹ = 1054431473 is a prime.

It is a super-2 number, since 2×1054433521² = 2223660100416914882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054433521.

It is not a weakly prime, because it can be changed into another prime (1054433581) 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, 527216760 + 527216761.

It is an arithmetic number, because the mean of its divisors is an integer number (527216761).

Almost surely, 2^1054433521 is an apocalyptic number.

It is an amenable number.

1054433521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054433521 is an equidigital number, since it uses as much as digits as its factorization.

1054433521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1054433521 is about 32472.0421439736. The cubic root of 1054433521 is about 1017.8248923958.

The spelling of 1054433521 in words is "one billion, fifty-four million, four hundred thirty-three thousand, five hundred twenty-one".