2566941 has 24 divisors (see below), whose sum is σ = 3812256. Its totient is φ = 1535040.

The previous prime is 2566939. The next prime is 2566981. The reversal of 2566941 is 1496652.

It is not a de Polignac number, because 2566941 - 2¹ = 2566939 is a prime.

Its product of digits (12960) is a multiple of the sum of its prime divisors (160).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30886 + ... + 30968.

It is an arithmetic number, because the mean of its divisors is an integer number (158844).

2^2566941 is an apocalyptic number.

It is an amenable number.

2566941 is a deficient number, since it is larger than the sum of its proper divisors (1245315).

2566941 is a wasteful number, since it uses less digits than its factorization.

2566941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 160 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 2566941 is about 1602.1675942298. The cubic root of 2566941 is about 136.9215989873.

It can be divided in two parts, 25 and 66941, that added together give a palindrome (66966).

The spelling of 2566941 in words is "two million, five hundred sixty-six thousand, nine hundred forty-one".