345613069 has 2 divisors, whose sum is σ = 345613070. Its totient is φ = 345613068.

The previous prime is 345613063. The next prime is 345613087. The reversal of 345613069 is 960316543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194937444 + 150675625 = 13962^2 + 12275^2 .

It is a cyclic number.

It is not a de Polignac number, because 345613069 - 2³ = 345613061 is a prime.

It is a super-2 number, since 2×345613069² = 238896786927197522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345613061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172806534 + 172806535.

It is an arithmetic number, because the mean of its divisors is an integer number (172806535).

Almost surely, 2^345613069 is an apocalyptic number.

It is an amenable number.

345613069 is a deficient number, since it is larger than the sum of its proper divisors (1).

345613069 is an equidigital number, since it uses as much as digits as its factorization.

345613069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 345613069 is about 18590.6715586070. The cubic root of 345613069 is about 701.7731028901.

The spelling of 345613069 in words is "three hundred forty-five million, six hundred thirteen thousand, sixty-nine".