345447413 has 4 divisors (see below), whose sum is σ = 346227648. Its totient is φ = 344667180.

The previous prime is 345447397. The next prime is 345447433. The reversal of 345447413 is 314744543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345447413 - 2⁴ = 345447397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345447433) 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 3 ways as a sum of consecutive naturals, for example, 389453 + ... + 390338.

It is an arithmetic number, because the mean of its divisors is an integer number (86556912).

Almost surely, 2^345447413 is an apocalyptic number.

It is an amenable number.

345447413 is a deficient number, since it is larger than the sum of its proper divisors (780235).

345447413 is an equidigital number, since it uses as much as digits as its factorization.

345447413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780234.

The product of its digits is 80640, while the sum is 35.

The square root of 345447413 is about 18586.2156718359. The cubic root of 345447413 is about 701.6609625476.

The spelling of 345447413 in words is "three hundred forty-five million, four hundred forty-seven thousand, four hundred thirteen".