2145359 has 2 divisors, whose sum is σ = 2145360. Its totient is φ = 2145358.

The previous prime is 2145343. The next prime is 2145361. The reversal of 2145359 is 9535412.

2145359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145359 - 2⁴ = 2145343 is a prime.

Together with 2145361, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145329) 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 as a sum of consecutive naturals, namely, 1072679 + 1072680.

It is an arithmetic number, because the mean of its divisors is an integer number (1072680).

2^2145359 is an apocalyptic number.

2145359 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145359 is an equidigital number, since it uses as much as digits as its factorization.

2145359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 29.

The square root of 2145359 is about 1464.7044070392. The cubic root of 2145359 is about 128.9733534690.

It can be divided in two parts, 21453 and 59, that added together give a palindrome (21512).

The spelling of 2145359 in words is "two million, one hundred forty-five thousand, three hundred fifty-nine".