2541649 has 8 divisors (see below), whose sum is σ = 2918880. Its totient is φ = 2188800.

The previous prime is 2541613. The next prime is 2541677. The reversal of 2541649 is 9461452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2541649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2541649.

It is not an unprimeable number, because it can be changed into a prime (2541689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5872 + ... + 6289.

It is an arithmetic number, because the mean of its divisors is an integer number (364860).

2^2541649 is an apocalyptic number.

It is an amenable number.

2541649 is a deficient number, since it is larger than the sum of its proper divisors (377231).

2541649 is a wasteful number, since it uses less digits than its factorization.

2541649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12191.

The product of its digits is 8640, while the sum is 31.

The square root of 2541649 is about 1594.2549984240. The cubic root of 2541649 is about 136.4704189724.

The spelling of 2541649 in words is "two million, five hundred forty-one thousand, six hundred forty-nine".