1029453521 has 2 divisors, whose sum is σ = 1029453522. Its totient is φ = 1029453520.

The previous prime is 1029453511. The next prime is 1029453541. The reversal of 1029453521 is 1253549201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1021697296 + 7756225 = 31964^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 1029453521 - 2⁶ = 1029453457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1029453511) 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, 514726760 + 514726761.

It is an arithmetic number, because the mean of its divisors is an integer number (514726761).

Almost surely, 2^1029453521 is an apocalyptic number.

It is an amenable number.

1029453521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029453521 is an equidigital number, since it uses as much as digits as its factorization.

1029453521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1029453521 is about 32085.0981142337. The cubic root of 1029453521 is about 1009.7229972643.

The spelling of 1029453521 in words is "one billion, twenty-nine million, four hundred fifty-three thousand, five hundred twenty-one".