2563013 has 2 divisors, whose sum is σ = 2563014. Its totient is φ = 2563012.

The previous prime is 2563009. The next prime is 2563063. The reversal of 2563013 is 3103652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2553604 + 9409 = 1598^2 + 97^2 .

It is a cyclic number.

It is not a de Polignac number, because 2563013 - 2² = 2563009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2563003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1281506 + 1281507.

It is an arithmetic number, because the mean of its divisors is an integer number (1281507).

2^2563013 is an apocalyptic number.

It is an amenable number.

2563013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2563013 is an equidigital number, since it uses as much as digits as its factorization.

2563013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2563013 is about 1600.9412856192. The cubic root of 2563013 is about 136.8517230004.

Adding to 2563013 its reverse (3103652), we get a palindrome (5666665).

The spelling of 2563013 in words is "two million, five hundred sixty-three thousand, thirteen".