345111601 has 2 divisors, whose sum is σ = 345111602. Its totient is φ = 345111600.

The previous prime is 345111589. The next prime is 345111643. The reversal of 345111601 is 106111543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288184576 + 56927025 = 16976^2 + 7545^2 .

It is a cyclic number.

It is not a de Polignac number, because 345111601 - 2²¹ = 343014449 is a prime.

It is not a weakly prime, because it can be changed into another prime (345111301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172555800 + 172555801.

It is an arithmetic number, because the mean of its divisors is an integer number (172555801).

Almost surely, 2^345111601 is an apocalyptic number.

It is an amenable number.

345111601 is a deficient number, since it is larger than the sum of its proper divisors (1).

345111601 is an equidigital number, since it uses as much as digits as its factorization.

345111601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 345111601 is about 18577.1795760282. The cubic root of 345111601 is about 701.4335255534.

The spelling of 345111601 in words is "three hundred forty-five million, one hundred eleven thousand, six hundred one".