351430427 has 4 divisors (see below), whose sum is σ = 352189920. Its totient is φ = 350670936.

The previous prime is 351430423. The next prime is 351430433. The reversal of 351430427 is 724034153.

It is a happy number.

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 351430427 - 2² = 351430423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 351430427.

It is not an unprimeable number, because it can be changed into a prime (351430423) 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, 379052 + ... + 379977.

It is an arithmetic number, because the mean of its divisors is an integer number (88047480).

Almost surely, 2^351430427 is an apocalyptic number.

351430427 is a deficient number, since it is larger than the sum of its proper divisors (759493).

351430427 is an equidigital number, since it uses as much as digits as its factorization.

351430427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759492.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 351430427 is about 18746.4777224950. The cubic root of 351430427 is about 705.6886298255.

The spelling of 351430427 in words is "three hundred fifty-one million, four hundred thirty thousand, four hundred twenty-seven".