344325511 has 2 divisors, whose sum is σ = 344325512. Its totient is φ = 344325510.

The previous prime is 344325493. The next prime is 344325557. The reversal of 344325511 is 115523443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344325511 - 2⁷ = 344325383 is a prime.

It is a super-2 number, since 2×344325511² = 237120115050822242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344325511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344325211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172162755 + 172162756.

It is an arithmetic number, because the mean of its divisors is an integer number (172162756).

Almost surely, 2^344325511 is an apocalyptic number.

344325511 is the 8299-th centered decagonal number.

344325511 is a deficient number, since it is larger than the sum of its proper divisors (1).

344325511 is an equidigital number, since it uses as much as digits as its factorization.

344325511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 28.

The square root of 344325511 is about 18556.0101045456. The cubic root of 344325511 is about 700.9005491112.

Adding to 344325511 its reverse (115523443), we get a palindrome (459848954).

The spelling of 344325511 in words is "three hundred forty-four million, three hundred twenty-five thousand, five hundred eleven".