1452451009 has 2 divisors, whose sum is σ = 1452451010. Its totient is φ = 1452451008.

The previous prime is 1452450949. The next prime is 1452451069. The reversal of 1452451009 is 9001542541.

It is a balanced prime because it is at equal distance from previous prime (1452450949) and next prime (1452451069).

It can be written as a sum of positive squares in only one way, i.e., 1285007409 + 167443600 = 35847^2 + 12940^2 .

It is an emirp because it is prime and its reverse (9001542541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1452451009 - 2¹⁷ = 1452319937 is a prime.

It is a super-2 number, since 2×1452451009² = 4219227867090236162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1452451069) 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, 726225504 + 726225505.

It is an arithmetic number, because the mean of its divisors is an integer number (726225505).

Almost surely, 2^1452451009 is an apocalyptic number.

It is an amenable number.

1452451009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452451009 is an equidigital number, since it uses as much as digits as its factorization.

1452451009 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 31.

The square root of 1452451009 is about 38111.0352653926. The cubic root of 1452451009 is about 1132.4885789108.

The spelling of 1452451009 in words is "one billion, four hundred fifty-two million, four hundred fifty-one thousand, nine".