2252409 has 4 divisors (see below), whose sum is σ = 3003216. Its totient is φ = 1501604.

The previous prime is 2252407. The next prime is 2252441. The reversal of 2252409 is 9042522.

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.

It is a cyclic number.

It is not a de Polignac number, because 2252409 - 2¹ = 2252407 is a prime.

It is a D-number.

2252409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2252407) 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, 375399 + ... + 375404.

It is an arithmetic number, because the mean of its divisors is an integer number (750804).

2^2252409 is an apocalyptic number.

It is an amenable number.

2252409 is a deficient number, since it is larger than the sum of its proper divisors (750807).

2252409 is an equidigital number, since it uses as much as digits as its factorization.

2252409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750806.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2252409 is about 1500.8027851787. The cubic root of 2252409 is about 131.0838187044.

The spelling of 2252409 in words is "two million, two hundred fifty-two thousand, four hundred nine".