353605663 has 2 divisors, whose sum is σ = 353605664. Its totient is φ = 353605662.

The previous prime is 353605583. The next prime is 353605673. The reversal of 353605663 is 366506353.

It is a strong prime.

It is an emirp because it is prime and its reverse (366506353) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 353605663 - 2²¹ = 351508511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353605673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176802831 + 176802832.

It is an arithmetic number, because the mean of its divisors is an integer number (176802832).

Almost surely, 2^353605663 is an apocalyptic number.

353605663 is a deficient number, since it is larger than the sum of its proper divisors (1).

353605663 is an equidigital number, since it uses as much as digits as its factorization.

353605663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 37.

The square root of 353605663 is about 18804.4054146894. The cubic root of 353605663 is about 707.1416277404.

The spelling of 353605663 in words is "three hundred fifty-three million, six hundred five thousand, six hundred sixty-three".