2251039 has 4 divisors (see below), whose sum is σ = 2572624. Its totient is φ = 1929456.

The previous prime is 2251031. The next prime is 2251049. The reversal of 2251039 is 9301522.

2251039 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 2251039 - 2³ = 2251031 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 (2251031) 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, 160782 + ... + 160795.

It is an arithmetic number, because the mean of its divisors is an integer number (643156).

2^2251039 is an apocalyptic number.

2251039 is a deficient number, since it is larger than the sum of its proper divisors (321585).

2251039 is an equidigital number, since it uses as much as digits as its factorization.

2251039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321584.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2251039 is about 1500.3462933603. The cubic root of 2251039 is about 131.0572366088.

The spelling of 2251039 in words is "two million, two hundred fifty-one thousand, thirty-nine".