2152441 has 4 divisors (see below), whose sum is σ = 2158992. Its totient is φ = 2145892.

The previous prime is 2152433. The next prime is 2152457. The reversal of 2152441 is 1442512.

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 2152441 - 2³ = 2152433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2755 + ... + 3448.

It is an arithmetic number, because the mean of its divisors is an integer number (539748).

2^2152441 is an apocalyptic number.

It is an amenable number.

2152441 is a deficient number, since it is larger than the sum of its proper divisors (6551).

2152441 is an equidigital number, since it uses as much as digits as its factorization.

2152441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6550.

The product of its digits is 320, while the sum is 19.

The square root of 2152441 is about 1467.1199678281. The cubic root of 2152441 is about 129.1151146803.

Adding to 2152441 its reverse (1442512), we get a palindrome (3594953).

The spelling of 2152441 in words is "two million, one hundred fifty-two thousand, four hundred forty-one".