2905489 has 2 divisors, whose sum is σ = 2905490. Its totient is φ = 2905488.

The previous prime is 2905477. The next prime is 2905549. The reversal of 2905489 is 9845092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2739025 + 166464 = 1655^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 2905489 - 2¹⁵ = 2872721 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (2905439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1452744 + 1452745.

It is an arithmetic number, because the mean of its divisors is an integer number (1452745).

2^2905489 is an apocalyptic number.

It is an amenable number.

2905489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2905489 is an equidigital number, since it uses as much as digits as its factorization.

2905489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2905489 is about 1704.5495006013. The cubic root of 2905489 is about 142.6942298575.

The spelling of 2905489 in words is "two million, nine hundred five thousand, four hundred eighty-nine".