353688013 has 4 divisors (see below), whose sum is σ = 404214880. Its totient is φ = 303161148.

The previous prime is 353688007. The next prime is 353688053. The reversal of 353688013 is 310886353.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310886353 = 587 ⋅529619.

It is a cyclic number.

It is not a de Polignac number, because 353688013 - 2⁹ = 353687501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353688053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25263423 + ... + 25263436.

It is an arithmetic number, because the mean of its divisors is an integer number (101053720).

Almost surely, 2^353688013 is an apocalyptic number.

It is an amenable number.

353688013 is a deficient number, since it is larger than the sum of its proper divisors (50526867).

353688013 is an equidigital number, since it uses as much as digits as its factorization.

353688013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50526866.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 353688013 is about 18806.5949336928. The cubic root of 353688013 is about 707.1965180690.

The spelling of 353688013 in words is "three hundred fifty-three million, six hundred eighty-eight thousand, thirteen".