2541544 has 8 divisors (see below), whose sum is σ = 4765410. Its totient is φ = 1270768.

The previous prime is 2541541. The next prime is 2541547. The reversal of 2541544 is 4451452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2541541) and next prime (2541547).

It can be written as a sum of positive squares in only one way, i.e., 1464100 + 1077444 = 1210^2 + 1038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2541541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158839 + ... + 158854.

2^2541544 is an apocalyptic number.

It is an amenable number.

2541544 is a deficient number, since it is larger than the sum of its proper divisors (2223866).

2541544 is a wasteful number, since it uses less digits than its factorization.

2541544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317699 (or 317695 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 2541544 is about 1594.2220673419. Note that the first 3 decimals coincide. The cubic root of 2541544 is about 136.4685396687.

Adding to 2541544 its reverse (4451452), we get a palindrome (6992996).

It can be divided in two parts, 25415 and 44, that multiplied together give a triangular number (1118260 = T₁₄₉₅).

The spelling of 2541544 in words is "two million, five hundred forty-one thousand, five hundred forty-four".