345354077 has 2 divisors, whose sum is σ = 345354078. Its totient is φ = 345354076.

The previous prime is 345354059. The next prime is 345354083. The reversal of 345354077 is 770453543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344696356 + 657721 = 18566^2 + 811^2 .

It is a cyclic number.

It is not a de Polignac number, because 345354077 - 2¹⁰ = 345353053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345354077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345654077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172677038 + 172677039.

It is an arithmetic number, because the mean of its divisors is an integer number (172677039).

Almost surely, 2^345354077 is an apocalyptic number.

It is an amenable number.

345354077 is a deficient number, since it is larger than the sum of its proper divisors (1).

345354077 is an equidigital number, since it uses as much as digits as its factorization.

345354077 is an odious number, because the sum of its binary digits is odd.

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

The square root of 345354077 is about 18583.7046091462. The cubic root of 345354077 is about 701.5977632257.

The spelling of 345354077 in words is "three hundred forty-five million, three hundred fifty-four thousand, seventy-seven".