2555316 has 18 divisors (see below), whose sum is σ = 6459362. Its totient is φ = 851760.

The previous prime is 2555309. The next prime is 2555317. The reversal of 2555316 is 6135552.

It can be written as a sum of positive squares in only one way, i.e., 2547216 + 8100 = 1596^2 + 90^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2555316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35455 + ... + 35526.

2^2555316 is an apocalyptic number.

It is an amenable number.

2555316 is an abundant number, since it is smaller than the sum of its proper divisors (3904046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2555316 is a wasteful number, since it uses less digits than its factorization.

2555316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70991 (or 70986 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 2555316 is about 1598.5355798355. The cubic root of 2555316 is about 136.7145922208.

The spelling of 2555316 in words is "two million, five hundred fifty-five thousand, three hundred sixteen".