345147601 has 2 divisors, whose sum is σ = 345147602. Its totient is φ = 345147600.

The previous prime is 345147599. The next prime is 345147643. The reversal of 345147601 is 106741543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267355201 + 77792400 = 16351^2 + 8820^2 .

It is an emirp because it is prime and its reverse (106741543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345147601 - 2¹ = 345147599 is a prime.

Together with 345147599, it forms a pair of twin primes.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (345147661) 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 as a sum of consecutive naturals, namely, 172573800 + 172573801.

It is an arithmetic number, because the mean of its divisors is an integer number (172573801).

Almost surely, 2^345147601 is an apocalyptic number.

It is an amenable number.

345147601 is a deficient number, since it is larger than the sum of its proper divisors (1).

345147601 is an equidigital number, since it uses as much as digits as its factorization.

345147601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 345147601 is about 18578.1484814822. The cubic root of 345147601 is about 701.4579145036.

The spelling of 345147601 in words is "three hundred forty-five million, one hundred forty-seven thousand, six hundred one".