345322577 has 2 divisors, whose sum is σ = 345322578. Its totient is φ = 345322576.

The previous prime is 345322561. The next prime is 345322589. The reversal of 345322577 is 775223543.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338891281 + 6431296 = 18409^2 + 2536^2 .

It is a cyclic number.

It is not a de Polignac number, because 345322577 - 2⁴ = 345322561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345322577.

It is not a weakly prime, because it can be changed into another prime (345322597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172661288 + 172661289.

It is an arithmetic number, because the mean of its divisors is an integer number (172661289).

Almost surely, 2^345322577 is an apocalyptic number.

It is an amenable number.

345322577 is a deficient number, since it is larger than the sum of its proper divisors (1).

345322577 is an equidigital number, since it uses as much as digits as its factorization.

345322577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 38.

The square root of 345322577 is about 18582.8570731198. The cubic root of 345322577 is about 701.5764314940.

The spelling of 345322577 in words is "three hundred forty-five million, three hundred twenty-two thousand, five hundred seventy-seven".