352340609 has 2 divisors, whose sum is σ = 352340610. Its totient is φ = 352340608.

The previous prime is 352340539. The next prime is 352340641. The reversal of 352340609 is 906043253.

It is an a-pointer prime, because the next prime (352340641) can be obtained adding 352340609 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322310209 + 30030400 = 17953^2 + 5480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352340609 is a prime.

It is equal to p_18922280 and since 352340609 and 18922280 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (352340309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176170304 + 176170305.

It is an arithmetic number, because the mean of its divisors is an integer number (176170305).

Almost surely, 2^352340609 is an apocalyptic number.

It is an amenable number.

352340609 is a deficient number, since it is larger than the sum of its proper divisors (1).

352340609 is an equidigital number, since it uses as much as digits as its factorization.

352340609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 352340609 is about 18770.7381048269. The cubic root of 352340609 is about 706.2973338782.

The spelling of 352340609 in words is "three hundred fifty-two million, three hundred forty thousand, six hundred nine".