2564441 has 8 divisors (see below), whose sum is σ = 2894400. Its totient is φ = 2250640.

The previous prime is 2564423. The next prime is 2564447. The reversal of 2564441 is 1444652.

2564441 = T₁₉₈ + T₁₉₉ + ... + T₂₈₄.

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

It is a cyclic number.

It is not a de Polignac number, because 2564441 - 2¹⁰ = 2563417 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2564441.

It is not an unprimeable number, because it can be changed into a prime (2564447) 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, 3701 + ... + 4338.

It is an arithmetic number, because the mean of its divisors is an integer number (361800).

2^2564441 is an apocalyptic number.

It is an amenable number.

2564441 is a deficient number, since it is larger than the sum of its proper divisors (329959).

2564441 is a wasteful number, since it uses less digits than its factorization.

2564441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8079.

The product of its digits is 3840, while the sum is 26.

The square root of 2564441 is about 1601.3872111391. The cubic root of 2564441 is about 136.8771342355.

The spelling of 2564441 in words is "two million, five hundred sixty-four thousand, four hundred forty-one".