2658241 has 4 divisors (see below), whose sum is σ = 2690352. Its totient is φ = 2626132.

The previous prime is 2658221. The next prime is 2658247. The reversal of 2658241 is 1428562.

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 2658241 - 2⁵ = 2658209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2658247) 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, 15931 + ... + 16096.

It is an arithmetic number, because the mean of its divisors is an integer number (672588).

2^2658241 is an apocalyptic number.

It is an amenable number.

2658241 is a deficient number, since it is larger than the sum of its proper divisors (32111).

2658241 is an equidigital number, since it uses as much as digits as its factorization.

2658241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32110.

The product of its digits is 3840, while the sum is 28.

The square root of 2658241 is about 1630.4112978019. The cubic root of 2658241 is about 138.5260500032.

The spelling of 2658241 in words is "two million, six hundred fifty-eight thousand, two hundred forty-one".