2560442 has 4 divisors (see below), whose sum is σ = 3840666. Its totient is φ = 1280220.

The previous prime is 2560433. The next prime is 2560457. The reversal of 2560442 is 2440652.

2560442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2374681 + 185761 = 1541^2 + 431^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640109 + ... + 640112.

2^2560442 is an apocalyptic number.

2560442 is a deficient number, since it is larger than the sum of its proper divisors (1280224).

2560442 is a wasteful number, since it uses less digits than its factorization.

2560442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280223.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2560442 is about 1600.1381190385. The cubic root of 2560442 is about 136.8059482953.

The spelling of 2560442 in words is "two million, five hundred sixty thousand, four hundred forty-two".