1027343521 has 2 divisors, whose sum is σ = 1027343522. Its totient is φ = 1027343520.

The previous prime is 1027343501. The next prime is 1027343543. The reversal of 1027343521 is 1253437201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 700131600 + 327211921 = 26460^2 + 18089^2 .

It is a cyclic number.

It is not a de Polignac number, because 1027343521 - 2¹¹ = 1027341473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1027343521.

It is not a weakly prime, because it can be changed into another prime (1027343501) 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, 513671760 + 513671761.

It is an arithmetic number, because the mean of its divisors is an integer number (513671761).

Almost surely, 2^1027343521 is an apocalyptic number.

It is an amenable number.

1027343521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1027343521 is an equidigital number, since it uses as much as digits as its factorization.

1027343521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1027343521 is about 32052.1999400977. The cubic root of 1027343521 is about 1009.0326721773.

The spelling of 1027343521 in words is "one billion, twenty-seven million, three hundred forty-three thousand, five hundred twenty-one".