351378043 has 4 divisors (see below), whose sum is σ = 351654480. Its totient is φ = 351101608.

The previous prime is 351378037. The next prime is 351378047. The reversal of 351378043 is 340873153.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 351378043 - 2⁹ = 351377531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351378047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136303 + ... + 138856.

It is an arithmetic number, because the mean of its divisors is an integer number (87913620).

Almost surely, 2^351378043 is an apocalyptic number.

351378043 is a deficient number, since it is larger than the sum of its proper divisors (276437).

351378043 is a wasteful number, since it uses less digits than its factorization.

351378043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276436.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 351378043 is about 18745.0805012942. The cubic root of 351378043 is about 705.6535649144.

The spelling of 351378043 in words is "three hundred fifty-one million, three hundred seventy-eight thousand, forty-three".