2541864 has 32 divisors (see below), whose sum is σ = 6844320. Its totient is φ = 782016.

The previous prime is 2541853. The next prime is 2541883. The reversal of 2541864 is 4681452.

It is a super-2 number, since 2×2541864² = 12922145188992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3762 + ... + 4385.

It is an arithmetic number, because the mean of its divisors is an integer number (213885).

2^2541864 is an apocalyptic number.

2541864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2541864 is an abundant number, since it is smaller than the sum of its proper divisors (4302456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2541864 is a wasteful number, since it uses less digits than its factorization.

2541864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8169 (or 8165 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 2541864 is about 1594.3224266126. The cubic root of 2541864 is about 136.4742669091.

The spelling of 2541864 in words is "two million, five hundred forty-one thousand, eight hundred sixty-four".