2560445 has 8 divisors (see below), whose sum is σ = 3171840. Its totient is φ = 1982160.

The previous prime is 2560433. The next prime is 2560457. The reversal of 2560445 is 5440652.

2560445 = T₆₄ + T₆₅ + ... + T₂₄₉.

It is an interprime number because it is at equal distance from previous prime (2560433) and next prime (2560457).

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

It is not a de Polignac number, because 2560445 - 2¹⁰ = 2559421 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8105 + ... + 8414.

It is an arithmetic number, because the mean of its divisors is an integer number (396480).

2^2560445 is an apocalyptic number.

It is an amenable number.

2560445 is a deficient number, since it is larger than the sum of its proper divisors (611395).

2560445 is a wasteful number, since it uses less digits than its factorization.

2560445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16555.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2560445 is about 1600.1390564573. The cubic root of 2560445 is about 136.8060017259.

The spelling of 2560445 in words is "two million, five hundred sixty thousand, four hundred forty-five".