2642241 has 8 divisors (see below), whose sum is σ = 4026304. Its totient is φ = 1509840.

The previous prime is 2642239. The next prime is 2642257. The reversal of 2642241 is 1422462.

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

It is not a de Polignac number, because 2642241 - 2¹ = 2642239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 125821 = 2642241 / (2 + 6 + 4 + 2 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62890 + ... + 62931.

It is an arithmetic number, because the mean of its divisors is an integer number (503288).

2^2642241 is an apocalyptic number.

2642241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2642241 is a deficient number, since it is larger than the sum of its proper divisors (1384063).

2642241 is a wasteful number, since it uses less digits than its factorization.

2642241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125831.

The product of its digits is 768, while the sum is 21.

The square root of 2642241 is about 1625.4971547191. The cubic root of 2642241 is about 138.2475602533.

The spelling of 2642241 in words is "two million, six hundred forty-two thousand, two hundred forty-one".