351604013 has 16 divisors (see below), whose sum is σ = 390096000. Its totient is φ = 315211776.

The previous prime is 351604003. The next prime is 351604049. The reversal of 351604013 is 310406153.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 351604013 - 2⁴ = 351603997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 351604013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351604003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98738 + ... + 102236.

It is an arithmetic number, because the mean of its divisors is an integer number (24381000).

Almost surely, 2^351604013 is an apocalyptic number.

It is an amenable number.

351604013 is a deficient number, since it is larger than the sum of its proper divisors (38491987).

351604013 is a wasteful number, since it uses less digits than its factorization.

351604013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 351604013 is about 18751.1069806558. The cubic root of 351604013 is about 705.8048002856.

The spelling of 351604013 in words is "three hundred fifty-one million, six hundred four thousand, thirteen".