1452409 has 6 divisors (see below), whose sum is σ = 1689594. Its totient is φ = 1244880.

The previous prime is 1452383. The next prime is 1452413. The reversal of 1452409 is 9042541.

It can be written as a sum of positive squares in only one way, i.e., 1432809 + 19600 = 1197^2 + 140^2 .

It is not a de Polignac number, because 1452409 - 2⁵ = 1452377 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14772 + ... + 14869.

It is an arithmetic number, because the mean of its divisors is an integer number (281599).

2^1452409 is an apocalyptic number.

It is an amenable number.

1452409 is a deficient number, since it is larger than the sum of its proper divisors (237185).

1452409 is an equidigital number, since it uses as much as digits as its factorization.

1452409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29655 (or 29648 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1452409 is about 1205.1593255665. The cubic root of 1452409 is about 113.2477660546.

The spelling of 1452409 in words is "one million, four hundred fifty-two thousand, four hundred nine".