2541920 has 24 divisors (see below), whose sum is σ = 6005664. Its totient is φ = 1016704.

The previous prime is 2541919. The next prime is 2541923. The reversal of 2541920 is 291452.

It is a super-2 number, since 2×2541920² = 12922714572800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7784 + ... + 8103.

It is an arithmetic number, because the mean of its divisors is an integer number (250236).

2^2541920 is an apocalyptic number.

2541920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541920 is an abundant number, since it is smaller than the sum of its proper divisors (3463744).

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

2541920 is a wasteful number, since it uses less digits than its factorization.

2541920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15902 (or 15894 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2541920 is about 1594.3399888355. The cubic root of 2541920 is about 136.4752691267.

The spelling of 2541920 in words is "two million, five hundred forty-one thousand, nine hundred twenty".