2560016 has 10 divisors (see below), whose sum is σ = 4960062. Its totient is φ = 1280000.

The previous prime is 2559989. The next prime is 2560021. The reversal of 2560016 is 6100652.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 16 = 1600^2 + 4^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2560016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79985 + ... + 80016.

2^2560016 is an apocalyptic number.

It is an amenable number.

2560016 is a deficient number, since it is larger than the sum of its proper divisors (2400046).

2560016 is a wasteful number, since it uses less digits than its factorization.

2560016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160009 (or 160003 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2560016 is about 1600.0049999922. The cubic root of 2560016 is about 136.7983607295.

Adding to 2560016 its reverse (6100652), we get a palindrome (8660668).

It can be divided in two parts, 25600 and 16, that multiplied together give a square (409600 = 640²).

The spelling of 2560016 in words is "two million, five hundred sixty thousand, sixteen".