345745613 has 2 divisors, whose sum is σ = 345745614. Its totient is φ = 345745612.

The previous prime is 345745607. The next prime is 345745651. The reversal of 345745613 is 316547543.

It is an a-pointer prime, because the next prime (345745651) can be obtained adding 345745613 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284327044 + 61418569 = 16862^2 + 7837^2 .

It is a cyclic number.

It is not a de Polignac number, because 345745613 - 2⁴ = 345745597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345745663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172872806 + 172872807.

It is an arithmetic number, because the mean of its divisors is an integer number (172872807).

Almost surely, 2^345745613 is an apocalyptic number.

It is an amenable number.

345745613 is a deficient number, since it is larger than the sum of its proper divisors (1).

345745613 is an equidigital number, since it uses as much as digits as its factorization.

345745613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 38.

The square root of 345745613 is about 18594.2360154968. The cubic root of 345745613 is about 701.8628023588.

The spelling of 345745613 in words is "three hundred forty-five million, seven hundred forty-five thousand, six hundred thirteen".