2988509 has 2 divisors, whose sum is σ = 2988510. Its totient is φ = 2988508.

The previous prime is 2988499. The next prime is 2988521. The reversal of 2988509 is 9058892.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1968409 + 1020100 = 1403^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 2988509 - 2⁸ = 2988253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2988539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1494254 + 1494255.

It is an arithmetic number, because the mean of its divisors is an integer number (1494255).

2^2988509 is an apocalyptic number.

It is an amenable number.

2988509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2988509 is an equidigital number, since it uses as much as digits as its factorization.

2988509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 2988509 is about 1728.7304590363. The cubic root of 2988509 is about 144.0405781990.

The spelling of 2988509 in words is "two million, nine hundred eighty-eight thousand, five hundred nine".