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BaseRepresentation
bin100111101101
310111010
4213231
540131
615433
710260
oct4755
93433
102541
111a00
121579
131206
14cd7
15b46
hex9ed

2541 has 12 divisors (see below), whose sum is σ = 4256. Its totient is φ = 1320.

The previous prime is 2539. The next prime is 2543. The reversal of 2541 is 1452.

Adding to 2541 its reverse (1452), we get a palindrome (3993).

Subtracting from 2541 its reverse (1452), we obtain a square (1089 = 332).

It can be divided in two parts, 25 and 41, that added together give a palindrome (66).

It is an interprime number because it is at equal distance from previous prime (2539) and next prime (2543).

It is not a de Polignac number, because 2541 - 21 = 2539 is a prime.

It is a hoax number, since the sum of its digits (12) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543) 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, 226 + ... + 236.

2541 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2541 is a deficient number, since it is larger than the sum of its proper divisors (1715).

2541 is a wasteful number, since it uses less digits than its factorization.

2541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32 (or 21 counting only the distinct ones).

The product of its digits is 40, while the sum is 12.

The square root of 2541 is about 50.4083326445. The cubic root of 2541 is about 13.6458802257.

The spelling of 2541 in words is "two thousand, five hundred forty-one".

Divisors: 1 3 7 11 21 33 77 121 231 363 847 2541