2541555 has 12 divisors (see below), whose sum is σ = 4405440. Its totient is φ = 1355472.

The previous prime is 2541547. The next prime is 2541559. The reversal of 2541555 is 5551452.

It is not a de Polignac number, because 2541555 - 2³ = 2541547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2541559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28195 + ... + 28284.

It is an arithmetic number, because the mean of its divisors is an integer number (367120).

2^2541555 is an apocalyptic number.

2541555 is a deficient number, since it is larger than the sum of its proper divisors (1863885).

2541555 is a wasteful number, since it uses less digits than its factorization.

2541555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56490 (or 56487 counting only the distinct ones).

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

The square root of 2541555 is about 1594.2255172967. The cubic root of 2541555 is about 136.4687365506.

The spelling of 2541555 in words is "two million, five hundred forty-one thousand, five hundred fifty-five".