2409567 has 4 divisors (see below), whose sum is σ = 3212760. Its totient is φ = 1606376.

The previous prime is 2409559. The next prime is 2409569. The reversal of 2409567 is 7659042.

2409567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2409567 - 2³ = 2409559 is a prime.

It is a D-number.

2409567 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2409569) 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 3 ways as a sum of consecutive naturals, for example, 401592 + ... + 401597.

It is an arithmetic number, because the mean of its divisors is an integer number (803190).

2^2409567 is an apocalyptic number.

2409567 is a deficient number, since it is larger than the sum of its proper divisors (803193).

2409567 is an equidigital number, since it uses as much as digits as its factorization.

2409567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803192.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2409567 is about 1552.2780034517. The cubic root of 2409567 is about 134.0642559580.

The spelling of 2409567 in words is "two million, four hundred nine thousand, five hundred sixty-seven".