342503489 has 2 divisors, whose sum is σ = 342503490. Its totient is φ = 342503488.

The previous prime is 342503467. The next prime is 342503509. The reversal of 342503489 is 984305243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324720400 + 17783089 = 18020^2 + 4217^2 .

It is a cyclic number.

It is not a de Polignac number, because 342503489 - 2¹² = 342499393 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (342503449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171251744 + 171251745.

It is an arithmetic number, because the mean of its divisors is an integer number (171251745).

Almost surely, 2^342503489 is an apocalyptic number.

It is an amenable number.

342503489 is a deficient number, since it is larger than the sum of its proper divisors (1).

342503489 is an equidigital number, since it uses as much as digits as its factorization.

342503489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 342503489 is about 18506.8497859576. The cubic root of 342503489 is about 699.6620743073.

The spelling of 342503489 in words is "three hundred forty-two million, five hundred three thousand, four hundred eighty-nine".