2355389 has 2 divisors, whose sum is σ = 2355390. Its totient is φ = 2355388.

The previous prime is 2355377. The next prime is 2355403. The reversal of 2355389 is 9835532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1844164 + 511225 = 1358^2 + 715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2355389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2355329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177694 + 1177695.

It is an arithmetic number, because the mean of its divisors is an integer number (1177695).

2^2355389 is an apocalyptic number.

It is an amenable number.

2355389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2355389 is an equidigital number, since it uses as much as digits as its factorization.

2355389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 2355389 is about 1534.7276631377. The cubic root of 2355389 is about 133.0518387632.

It can be divided in two parts, 2355 and 389, that added together give a cube (2744 = 14³).

The spelling of 2355389 in words is "two million, three hundred fifty-five thousand, three hundred eighty-nine".