2442569 has 4 divisors (see below), whose sum is σ = 2445696. Its totient is φ = 2439444.

The previous prime is 2442563. The next prime is 2442571. The reversal of 2442569 is 9652442.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2442569 - 2¹² = 2438473 is a prime.

It is a super-2 number, since 2×2442569² = 11932286639522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2442563) 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, 752 + ... + 2334.

It is an arithmetic number, because the mean of its divisors is an integer number (611424).

2^2442569 is an apocalyptic number.

It is an amenable number.

2442569 is a deficient number, since it is larger than the sum of its proper divisors (3127).

2442569 is a wasteful number, since it uses less digits than its factorization.

2442569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126.

The product of its digits is 17280, while the sum is 32.

The square root of 2442569 is about 1562.8720357086. The cubic root of 2442569 is about 134.6735413225.

The spelling of 2442569 in words is "two million, four hundred forty-two thousand, five hundred sixty-nine".