2564203 has 2 divisors, whose sum is σ = 2564204. Its totient is φ = 2564202.

The previous prime is 2564171. The next prime is 2564207. The reversal of 2564203 is 3024652.

It is a happy number.

2564203 is nontrivially palindromic in base 9.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2564203 - 2⁵ = 2564171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2564207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282101 + 1282102.

It is an arithmetic number, because the mean of its divisors is an integer number (1282102).

2^2564203 is an apocalyptic number.

2564203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564203 is an equidigital number, since it uses as much as digits as its factorization.

2564203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2564203 is about 1601.3128988427. The cubic root of 2564203 is about 136.8728996849.

Adding to 2564203 its reverse (3024652), we get a palindrome (5588855).

The spelling of 2564203 in words is "two million, five hundred sixty-four thousand, two hundred three".