2631541 has 4 divisors (see below), whose sum is σ = 2870784. Its totient is φ = 2392300.

The previous prime is 2631539. The next prime is 2631553. The reversal of 2631541 is 1451362.

2631541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2631541 - 2¹ = 2631539 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119605 + ... + 119626.

It is an arithmetic number, because the mean of its divisors is an integer number (717696).

2^2631541 is an apocalyptic number.

It is an amenable number.

2631541 is a deficient number, since it is larger than the sum of its proper divisors (239243).

2631541 is a wasteful number, since it uses less digits than its factorization.

2631541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239242.

The product of its digits is 720, while the sum is 22.

The square root of 2631541 is about 1622.2025151010. The cubic root of 2631541 is about 138.0606923402.

The spelling of 2631541 in words is "two million, six hundred thirty-one thousand, five hundred forty-one".