346135457 has 2 divisors, whose sum is σ = 346135458. Its totient is φ = 346135456.

The previous prime is 346135409. The next prime is 346135499. The reversal of 346135457 is 754531643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199628641 + 146506816 = 14129^2 + 12104^2 .

It is an emirp because it is prime and its reverse (754531643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346135457 - 2⁸ = 346135201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 346135457.

It is not a weakly prime, because it can be changed into another prime (346135957) 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, 173067728 + 173067729.

It is an arithmetic number, because the mean of its divisors is an integer number (173067729).

Almost surely, 2^346135457 is an apocalyptic number.

It is an amenable number.

346135457 is a deficient number, since it is larger than the sum of its proper divisors (1).

346135457 is an equidigital number, since it uses as much as digits as its factorization.

346135457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 38.

The square root of 346135457 is about 18604.7159881574. The cubic root of 346135457 is about 702.1264974166.

The spelling of 346135457 in words is "three hundred forty-six million, one hundred thirty-five thousand, four hundred fifty-seven".