340233541 has 2 divisors, whose sum is σ = 340233542. Its totient is φ = 340233540.

The previous prime is 340233533. The next prime is 340233547. The reversal of 340233541 is 145332043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332916516 + 7317025 = 18246^2 + 2705^2 .

It is an emirp because it is prime and its reverse (145332043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340233541 - 2³ = 340233533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340233547) 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, 170116770 + 170116771.

It is an arithmetic number, because the mean of its divisors is an integer number (170116771).

Almost surely, 2^340233541 is an apocalyptic number.

It is an amenable number.

340233541 is a deficient number, since it is larger than the sum of its proper divisors (1).

340233541 is an equidigital number, since it uses as much as digits as its factorization.

340233541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 340233541 is about 18445.4205969937. The cubic root of 340233541 is about 698.1129727131.

Adding to 340233541 its reverse (145332043), we get a palindrome (485565584).

The spelling of 340233541 in words is "three hundred forty million, two hundred thirty-three thousand, five hundred forty-one".