2641851 has 24 divisors (see below), whose sum is σ = 4178304. Its totient is φ = 1601280.

The previous prime is 2641841. The next prime is 2641879. The reversal of 2641851 is 1581462.

It is not a de Polignac number, because 2641851 - 2¹⁵ = 2609083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2641801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4465 + ... + 5021.

It is an arithmetic number, because the mean of its divisors is an integer number (174096).

2^2641851 is an apocalyptic number.

2641851 is a deficient number, since it is larger than the sum of its proper divisors (1536453).

2641851 is a wasteful number, since it uses less digits than its factorization.

2641851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 608 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 2641851 is about 1625.3771869938. The cubic root of 2641851 is about 138.2407580475.

The spelling of 2641851 in words is "two million, six hundred forty-one thousand, eight hundred fifty-one".