2641551 has 24 divisors (see below), whose sum is σ = 4085760. Its totient is φ = 1512720.

The previous prime is 2641549. The next prime is 2641553. The reversal of 2641551 is 1551462.

2641551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2641551 is a nontrivial binomial coefficient, being equal to C(2299, 2).

It is an interprime number because it is at equal distance from previous prime (2641549) and next prime (2641553).

It is not a de Polignac number, because 2641551 - 2¹ = 2641549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641553) 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 23 ways as a sum of consecutive naturals, for example, 6706 + ... + 7088.

It is an arithmetic number, because the mean of its divisors is an integer number (170240).

2^2641551 is an apocalyptic number.

2641551 is the 2298-th triangular number.

2641551 is a deficient number, since it is larger than the sum of its proper divisors (1444209).

2641551 is a wasteful number, since it uses less digits than its factorization.

2641551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 416 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 2641551 is about 1625.2848981025. The cubic root of 2641551 is about 138.2355251259.

The spelling of 2641551 in words is "two million, six hundred forty-one thousand, five hundred fifty-one".