2566461 has 8 divisors (see below), whose sum is σ = 3469120. Its totient is φ = 1687392.

The previous prime is 2566433. The next prime is 2566469. The reversal of 2566461 is 1646652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2566461 - 2¹⁸ = 2304317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5641 + ... + 6078.

It is an arithmetic number, because the mean of its divisors is an integer number (433640).

2^2566461 is an apocalyptic number.

It is an amenable number.

2566461 is a deficient number, since it is larger than the sum of its proper divisors (902659).

2566461 is a wasteful number, since it uses less digits than its factorization.

2566461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11795.

The product of its digits is 8640, while the sum is 30.

The square root of 2566461 is about 1602.0177901634. The cubic root of 2566461 is about 136.9130639951.

The spelling of 2566461 in words is "two million, five hundred sixty-six thousand, four hundred sixty-one".