2566031 has 12 divisors (see below), whose sum is σ = 2939832. Its totient is φ = 2226048.

The previous prime is 2566027. The next prime is 2566049. The reversal of 2566031 is 1306652.

It is not a de Polignac number, because 2566031 - 2² = 2566027 is a prime.

It is a super-2 number, since 2×2566031² = 13169030185922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2565988 and 2566006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566001) 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 11 ways as a sum of consecutive naturals, for example, 3416 + ... + 4098.

It is an arithmetic number, because the mean of its divisors is an integer number (244986).

2^2566031 is an apocalyptic number.

2566031 is a deficient number, since it is larger than the sum of its proper divisors (373801).

2566031 is a wasteful number, since it uses less digits than its factorization.

2566031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2566031 is about 1601.8835787909. The cubic root of 2566031 is about 136.9054171608.

The spelling of 2566031 in words is "two million, five hundred sixty-six thousand, thirty-one".