340612633 has 2 divisors, whose sum is σ = 340612634. Its totient is φ = 340612632.

The previous prime is 340612577. The next prime is 340612667. The reversal of 340612633 is 336216043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337383424 + 3229209 = 18368^2 + 1797^2 .

It is a cyclic number.

It is not a de Polignac number, because 340612633 - 2²¹ = 338515481 is a prime.

It is not a weakly prime, because it can be changed into another prime (340612673) 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, 170306316 + 170306317.

It is an arithmetic number, because the mean of its divisors is an integer number (170306317).

Almost surely, 2^340612633 is an apocalyptic number.

It is an amenable number.

340612633 is a deficient number, since it is larger than the sum of its proper divisors (1).

340612633 is an equidigital number, since it uses as much as digits as its factorization.

340612633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 340612633 is about 18455.6937826786. The cubic root of 340612633 is about 698.3721582238.

Adding to 340612633 its reverse (336216043), we get a palindrome (676828676).

The spelling of 340612633 in words is "three hundred forty million, six hundred twelve thousand, six hundred thirty-three".