351305427 has 32 divisors (see below), whose sum is σ = 535818240. Its totient is φ = 202658720.

The previous prime is 351305407. The next prime is 351305429. The reversal of 351305427 is 724503153.

It is a de Polignac number, because none of the positive numbers 2^k-351305427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 351305394 and 351305403.

It is not an unprimeable number, because it can be changed into a prime (351305429) 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 31 ways as a sum of consecutive naturals, for example, 171274 + ... + 173312.

It is an arithmetic number, because the mean of its divisors is an integer number (16744320).

Almost surely, 2^351305427 is an apocalyptic number.

351305427 is a deficient number, since it is larger than the sum of its proper divisors (184512813).

351305427 is a wasteful number, since it uses less digits than its factorization.

351305427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 351305427 is about 18743.1434663452. The cubic root of 351305427 is about 705.6049513005.

The spelling of 351305427 in words is "three hundred fifty-one million, three hundred five thousand, four hundred twenty-seven".