351362161 has 4 divisors (see below), whose sum is σ = 353128000. Its totient is φ = 349596324.

The previous prime is 351362147. The next prime is 351362197. The reversal of 351362161 is 161263153.

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: 161263153 = 53 ⋅3042701.

It is a cyclic number.

It is not a de Polignac number, because 351362161 - 2⁹ = 351361649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351362131) 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, 882621 + ... + 883018.

It is an arithmetic number, because the mean of its divisors is an integer number (88282000).

Almost surely, 2^351362161 is an apocalyptic number.

It is an amenable number.

351362161 is a deficient number, since it is larger than the sum of its proper divisors (1765839).

351362161 is a wasteful number, since it uses less digits than its factorization.

351362161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765838.

The product of its digits is 3240, while the sum is 28.

The square root of 351362161 is about 18744.6568653577. The cubic root of 351362161 is about 705.6429330996.

The spelling of 351362161 in words is "three hundred fifty-one million, three hundred sixty-two thousand, one hundred sixty-one".