2555361 has 32 divisors (see below), whose sum is σ = 4055040. Its totient is φ = 1587600.

The previous prime is 2555353. The next prime is 2555363. The reversal of 2555361 is 1635552.

It is not a de Polignac number, because 2555361 - 2³ = 2555353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2555363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35956 + ... + 36026.

It is an arithmetic number, because the mean of its divisors is an integer number (126720).

2^2555361 is an apocalyptic number.

It is an amenable number.

2555361 is a deficient number, since it is larger than the sum of its proper divisors (1499679).

2555361 is a wasteful number, since it uses less digits than its factorization.

2555361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 148 counting only the distinct ones).

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

The square root of 2555361 is about 1598.5496551562. The cubic root of 2555361 is about 136.7153947465.

It can be divided in two parts, 2555 and 361, that added together give a square (2916 = 54²).

The spelling of 2555361 in words is "two million, five hundred fifty-five thousand, three hundred sixty-one".