2250409 has 8 divisors (see below), whose sum is σ = 2723328. Its totient is φ = 1815360.

The previous prime is 2250403. The next prime is 2250419. The reversal of 2250409 is 9040522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2250409 - 2³ = 2250401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2250409.

It is not an unprimeable number, because it can be changed into a prime (2250401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9337 + ... + 9574.

It is an arithmetic number, because the mean of its divisors is an integer number (340416).

2^2250409 is an apocalyptic number.

It is an amenable number.

2250409 is a deficient number, since it is larger than the sum of its proper divisors (472919).

2250409 is a wasteful number, since it uses less digits than its factorization.

2250409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18935.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2250409 is about 1500.1363271383. The cubic root of 2250409 is about 131.0450091052.

The spelling of 2250409 in words is "two million, two hundred fifty thousand, four hundred nine".