2351289 has 4 divisors (see below), whose sum is σ = 3135056. Its totient is φ = 1567524.

The previous prime is 2351281. The next prime is 2351303. The reversal of 2351289 is 9821532.

It is a happy number.

2351289 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2351289 - 2³ = 2351281 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2351281) 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, 391879 + ... + 391884.

It is an arithmetic number, because the mean of its divisors is an integer number (783764).

2^2351289 is an apocalyptic number.

It is an amenable number.

2351289 is a deficient number, since it is larger than the sum of its proper divisors (783767).

2351289 is an equidigital number, since it uses as much as digits as its factorization.

2351289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783766.

The product of its digits is 4320, while the sum is 30.

The square root of 2351289 is about 1533.3913394825. The cubic root of 2351289 is about 132.9745932964.

The spelling of 2351289 in words is "two million, three hundred fifty-one thousand, two hundred eighty-nine".