1452909 has 4 divisors (see below), whose sum is σ = 1937216. Its totient is φ = 968604.

The previous prime is 1452907. The next prime is 1452923. The reversal of 1452909 is 9092541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9092541 = 3 ⋅3030847.

It is not a de Polignac number, because 1452909 - 2¹ = 1452907 is a prime.

It is a super-2 number, since 2×1452909² = 4221889124562, which contains 22 as substring.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1452909 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242149 + ... + 242154.

It is an arithmetic number, because the mean of its divisors is an integer number (484304).

2^1452909 is an apocalyptic number.

It is an amenable number.

1452909 is a deficient number, since it is larger than the sum of its proper divisors (484307).

1452909 is an equidigital number, since it uses as much as digits as its factorization.

1452909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484306.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1452909 is about 1205.3667491681. The cubic root of 1452909 is about 113.2607599579.

The spelling of 1452909 in words is "one million, four hundred fifty-two thousand, nine hundred nine".