351401009 has 8 divisors (see below), whose sum is σ = 354297408. Its totient is φ = 348512400.

The previous prime is 351400993. The next prime is 351401051. The reversal of 351401009 is 900104153.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 351401009 - 2⁴ = 351400993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351401059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117359 + ... + 120315.

It is an arithmetic number, because the mean of its divisors is an integer number (44287176).

Almost surely, 2^351401009 is an apocalyptic number.

It is an amenable number.

351401009 is a deficient number, since it is larger than the sum of its proper divisors (2896399).

351401009 is a wasteful number, since it uses less digits than its factorization.

351401009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 351401009 is about 18745.6930786781. The cubic root of 351401009 is about 705.6689383723.

The spelling of 351401009 in words is "three hundred fifty-one million, four hundred one thousand, nine".