2251379 has 4 divisors (see below), whose sum is σ = 2424576. Its totient is φ = 2078184.

The previous prime is 2251373. The next prime is 2251397. The reversal of 2251379 is 9731522.

2251379 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, and also an emirpimes, since its reverse is a distinct semiprime: 9731522 = 2 ⋅4865761.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2251379 is a prime.

It is a d-powerful number, because it can be written as 2 + 2²¹ + 5⁷ + 1 + 3⁵ + 7⁵ + 9⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251373) 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, 86579 + ... + 86604.

It is an arithmetic number, because the mean of its divisors is an integer number (606144).

2^2251379 is an apocalyptic number.

2251379 is a deficient number, since it is larger than the sum of its proper divisors (173197).

2251379 is a wasteful number, since it uses less digits than its factorization.

2251379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173196.

The product of its digits is 3780, while the sum is 29.

The square root of 2251379 is about 1500.4595962571. The cubic root of 2251379 is about 131.0638346312.

The spelling of 2251379 in words is "two million, two hundred fifty-one thousand, three hundred seventy-nine".