351379305 has 12 divisors (see below), whose sum is σ = 609057540. Its totient is φ = 187402272.

The previous prime is 351379297. The next prime is 351379313. The reversal of 351379305 is 503973153.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (351379297) and next prime (351379313).

It can be written as a sum of positive squares in 2 ways, for example, as 148060224 + 203319081 = 12168^2 + 14259^2 .

It is not a de Polignac number, because 351379305 - 2³ = 351379297 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 351379305.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3904170 + ... + 3904259.

It is an arithmetic number, because the mean of its divisors is an integer number (50754795).

Almost surely, 2^351379305 is an apocalyptic number.

It is an amenable number.

351379305 is a deficient number, since it is larger than the sum of its proper divisors (257678235).

351379305 is a wasteful number, since it uses less digits than its factorization.

351379305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808440 (or 7808437 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 36.

The square root of 351379305 is about 18745.1141634294. The cubic root of 351379305 is about 705.6544097155.

The spelling of 351379305 in words is "three hundred fifty-one million, three hundred seventy-nine thousand, three hundred five".