2563126 has 4 divisors (see below), whose sum is σ = 3844692. Its totient is φ = 1281562.

The previous prime is 2563117. The next prime is 2563139. The reversal of 2563126 is 6213652.

2563126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2563126² = 13139229783752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2563126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640780 + ... + 640783.

It is an arithmetic number, because the mean of its divisors is an integer number (961173).

2^2563126 is an apocalyptic number.

2563126 is a deficient number, since it is larger than the sum of its proper divisors (1281566).

2563126 is a wasteful number, since it uses less digits than its factorization.

2563126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281565.

The product of its digits is 2160, while the sum is 25.

The square root of 2563126 is about 1600.9765769679. The cubic root of 2563126 is about 136.8537341773.

Adding to 2563126 its reverse (6213652), we get a palindrome (8776778).

The spelling of 2563126 in words is "two million, five hundred sixty-three thousand, one hundred twenty-six".