2641521 has 8 divisors (see below), whose sum is σ = 3538080. Its totient is φ = 1752992.

The previous prime is 2641519. The next prime is 2641531. The reversal of 2641521 is 1251462.

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

It is a cyclic number.

It is not a de Polignac number, because 2641521 - 2¹ = 2641519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2641501) 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, 1191 + ... + 2588.

It is an arithmetic number, because the mean of its divisors is an integer number (442260).

2^2641521 is an apocalyptic number.

It is an amenable number.

2641521 is a deficient number, since it is larger than the sum of its proper divisors (896559).

2641521 is a wasteful number, since it uses less digits than its factorization.

2641521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015.

The product of its digits is 480, while the sum is 21.

The square root of 2641521 is about 1625.2756689251. The cubic root of 2641521 is about 138.2350018119.

Adding to 2641521 its reverse (1251462), we get a palindrome (3892983).

The spelling of 2641521 in words is "two million, six hundred forty-one thousand, five hundred twenty-one".