2555541 has 6 divisors (see below), whose sum is σ = 3691350. Its totient is φ = 1703688.

The previous prime is 2555521. The next prime is 2555543. The reversal of 2555541 is 1455552.

It can be written as a sum of positive squares in only one way, i.e., 2414916 + 140625 = 1554^2 + 375^2 .

It is not a de Polignac number, because 2555541 - 2⁶ = 2555477 is a prime.

2555541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555543) 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, 141966 + ... + 141983.

It is an arithmetic number, because the mean of its divisors is an integer number (615225).

2^2555541 is an apocalyptic number.

It is an amenable number.

2555541 is a deficient number, since it is larger than the sum of its proper divisors (1135809).

2555541 is a wasteful number, since it uses less digits than its factorization.

2555541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283955 (or 283952 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 2555541 is about 1598.6059551997. The cubic root of 2555541 is about 136.7186047552.

The spelling of 2555541 in words is "two million, five hundred fifty-five thousand, five hundred forty-one".