1452811081 has 2 divisors, whose sum is σ = 1452811082. Its totient is φ = 1452811080.

The previous prime is 1452811067. The next prime is 1452811093. The reversal of 1452811081 is 1801182541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 801795856 + 651015225 = 28316^2 + 25515^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452811081 - 2²⁵ = 1419256649 is a prime.

It is a super-3 number, since 3×1452811081³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1452811051) 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, 726405540 + 726405541.

It is an arithmetic number, because the mean of its divisors is an integer number (726405541).

Almost surely, 2^1452811081 is an apocalyptic number.

It is an amenable number.

1452811081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452811081 is an equidigital number, since it uses as much as digits as its factorization.

1452811081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 31.

The square root of 1452811081 is about 38115.7589587299. The cubic root of 1452811081 is about 1132.5821549265.

The spelling of 1452811081 in words is "one billion, four hundred fifty-two million, eight hundred eleven thousand, eighty-one".