4542389 has 2 divisors, whose sum is σ = 4542390. Its totient is φ = 4542388.

The previous prime is 4542371. The next prime is 4542407. The reversal of 4542389 is 9832454.

It is a balanced prime because it is at equal distance from previous prime (4542371) and next prime (4542407).

It can be written as a sum of positive squares in only one way, i.e., 4202500 + 339889 = 2050^2 + 583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4542389 is a prime.

It is a d-powerful number, because it can be written as 4² + 5⁴ + 4⁸ + 2²² + 3⁹ + 8⁶ + 9² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4502389) 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, 2271194 + 2271195.

It is an arithmetic number, because the mean of its divisors is an integer number (2271195).

Almost surely, 2^4542389 is an apocalyptic number.

It is an amenable number.

4542389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542389 is an equidigital number, since it uses as much as digits as its factorization.

4542389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 4542389 is about 2131.2881081637. The cubic root of 4542389 is about 165.6131335512.

The spelling of 4542389 in words is "four million, five hundred forty-two thousand, three hundred eighty-nine".