2154413 has 2 divisors, whose sum is σ = 2154414. Its totient is φ = 2154412.

The previous prime is 2154389. The next prime is 2154419. The reversal of 2154413 is 3144512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1844164 + 310249 = 1358^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154413 - 2¹⁴ = 2138029 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2154419) 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 as a sum of consecutive naturals, namely, 1077206 + 1077207.

It is an arithmetic number, because the mean of its divisors is an integer number (1077207).

2^2154413 is an apocalyptic number.

It is an amenable number.

2154413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154413 is an equidigital number, since it uses as much as digits as its factorization.

2154413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 20.

The square root of 2154413 is about 1467.7918789801. The cubic root of 2154413 is about 129.1545330723.

Adding to 2154413 its reverse (3144512), we get a palindrome (5298925).

Subtracting 2154413 from its reverse (3144512), we obtain a palindrome (990099).

The spelling of 2154413 in words is "two million, one hundred fifty-four thousand, four hundred thirteen".