345047413 has 4 divisors (see below), whose sum is σ = 345503980. Its totient is φ = 344590848.

The previous prime is 345047401. The next prime is 345047447. The reversal of 345047413 is 314740543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 285170769 + 59876644 = 16887^2 + 7738^2 .

It is a cyclic number.

It is not a de Polignac number, because 345047413 - 2²¹ = 342950261 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 (345041413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227148 + ... + 228661.

It is an arithmetic number, because the mean of its divisors is an integer number (86375995).

Almost surely, 2^345047413 is an apocalyptic number.

It is an amenable number.

345047413 is a deficient number, since it is larger than the sum of its proper divisors (456567).

345047413 is an equidigital number, since it uses as much as digits as its factorization.

345047413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456566.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 345047413 is about 18575.4518922152. The cubic root of 345047413 is about 701.3900358469.

Adding to 345047413 its reverse (314740543), we get a palindrome (659787956).

The spelling of 345047413 in words is "three hundred forty-five million, forty-seven thousand, four hundred thirteen".