2521159 has 4 divisors (see below), whose sum is σ = 2534416. Its totient is φ = 2507904.

The previous prime is 2521153. The next prime is 2521171. The reversal of 2521159 is 9511252.

2521159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2521159 - 2⁷ = 2521031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6339 + ... + 6724.

It is an arithmetic number, because the mean of its divisors is an integer number (633604).

2^2521159 is an apocalyptic number.

2521159 is a deficient number, since it is larger than the sum of its proper divisors (13257).

2521159 is a wasteful number, since it uses less digits than its factorization.

2521159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13256.

The product of its digits is 900, while the sum is 25.

The square root of 2521159 is about 1587.8157953617. The cubic root of 2521159 is about 136.1027014040.

The spelling of 2521159 in words is "two million, five hundred twenty-one thousand, one hundred fifty-nine".