352606489 has 2 divisors, whose sum is σ = 352606490. Its totient is φ = 352606488.

The previous prime is 352606487. The next prime is 352606511. The reversal of 352606489 is 984606253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235100889 + 117505600 = 15333^2 + 10840^2 .

It is an emirp because it is prime and its reverse (984606253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 352606489 - 2¹ = 352606487 is a prime.

Together with 352606487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (352606487) 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, 176303244 + 176303245.

It is an arithmetic number, because the mean of its divisors is an integer number (176303245).

Almost surely, 2^352606489 is an apocalyptic number.

It is an amenable number.

352606489 is a deficient number, since it is larger than the sum of its proper divisors (1).

352606489 is an equidigital number, since it uses as much as digits as its factorization.

352606489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 352606489 is about 18777.8190693169. The cubic root of 352606489 is about 706.4749490551.

It can be divided in two parts, 352 and 606489, that added together give a square (606841 = 779²).

The spelling of 352606489 in words is "three hundred fifty-two million, six hundred six thousand, four hundred eighty-nine".