345461617 has 2 divisors, whose sum is σ = 345461618. Its totient is φ = 345461616.

The previous prime is 345461603. The next prime is 345461621. The reversal of 345461617 is 716164543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218921616 + 126540001 = 14796^2 + 11249^2 .

It is an emirp because it is prime and its reverse (716164543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345461617 is a prime.

It is not a weakly prime, because it can be changed into another prime (345461917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172730808 + 172730809.

It is an arithmetic number, because the mean of its divisors is an integer number (172730809).

Almost surely, 2^345461617 is an apocalyptic number.

It is an amenable number.

345461617 is a deficient number, since it is larger than the sum of its proper divisors (1).

345461617 is an equidigital number, since it uses as much as digits as its factorization.

345461617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 345461617 is about 18586.5977790450. The cubic root of 345461617 is about 701.6705793086.

It can be divided in two parts, 34546 and 1617, that added together give a palindrome (36163).

The spelling of 345461617 in words is "three hundred forty-five million, four hundred sixty-one thousand, six hundred seventeen".