345675529 has 2 divisors, whose sum is σ = 345675530. Its totient is φ = 345675528.

The previous prime is 345675527. The next prime is 345675541. The reversal of 345675529 is 925576543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205205625 + 140469904 = 14325^2 + 11852^2 .

It is a cyclic number.

It is not a de Polignac number, because 345675529 - 2¹ = 345675527 is a prime.

Together with 345675527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (345675521) 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, 172837764 + 172837765.

It is an arithmetic number, because the mean of its divisors is an integer number (172837765).

Almost surely, 2^345675529 is an apocalyptic number.

It is an amenable number.

345675529 is a deficient number, since it is larger than the sum of its proper divisors (1).

345675529 is an equidigital number, since it uses as much as digits as its factorization.

345675529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 46.

The square root of 345675529 is about 18592.3513574803. The cubic root of 345675529 is about 701.8153757010.

The spelling of 345675529 in words is "three hundred forty-five million, six hundred seventy-five thousand, five hundred twenty-nine".