351606413 has 4 divisors (see below), whose sum is σ = 356558688. Its totient is φ = 346654140.

The previous prime is 351606377. The next prime is 351606421. The reversal of 351606413 is 314606153.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 351606413 - 2¹⁰ = 351605389 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 (351606443) 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, 2476031 + ... + 2476172.

It is an arithmetic number, because the mean of its divisors is an integer number (89139672).

Almost surely, 2^351606413 is an apocalyptic number.

It is an amenable number.

351606413 is a deficient number, since it is larger than the sum of its proper divisors (4952275).

351606413 is an equidigital number, since it uses as much as digits as its factorization.

351606413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4952274.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 351606413 is about 18751.1709767684. The cubic root of 351606413 is about 705.8064061903.

The spelling of 351606413 in words is "three hundred fifty-one million, six hundred six thousand, four hundred thirteen".