347725350145 has 4 divisors (see below), whose sum is σ = 417270420180. Its totient is φ = 278180280112.

The previous prime is 347725350121. The next prime is 347725350151. The reversal of 347725350145 is 541053527743.

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 275508462321 + 72216887824 = 524889^2 + 268732^2 .

It is a cyclic number.

It is not a de Polignac number, because 347725350145 - 2¹⁷ = 347725219073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 347725350095 and 347725350104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34772535010 + ... + 34772535019.

It is an arithmetic number, because the mean of its divisors is an integer number (104317605045).

Almost surely, 2^347725350145 is an apocalyptic number.

It is an amenable number.

347725350145 is a deficient number, since it is larger than the sum of its proper divisors (69545070035).

347725350145 is an equidigital number, since it uses as much as digits as its factorization.

347725350145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69545070034.

The product of its (nonzero) digits is 1764000, while the sum is 46.

Adding to 347725350145 its reverse (541053527743), we get a palindrome (888778877888).

The spelling of 347725350145 in words is "three hundred forty-seven billion, seven hundred twenty-five million, three hundred fifty thousand, one hundred forty-five".