340847453 has 2 divisors, whose sum is σ = 340847454. Its totient is φ = 340847452.

The previous prime is 340847417. The next prime is 340847477. The reversal of 340847453 is 354748043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316768804 + 24078649 = 17798^2 + 4907^2 .

It is a cyclic number.

It is not a de Polignac number, because 340847453 - 2⁶ = 340847389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340847413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170423726 + 170423727.

It is an arithmetic number, because the mean of its divisors is an integer number (170423727).

Almost surely, 2^340847453 is an apocalyptic number.

It is an amenable number.

340847453 is a deficient number, since it is larger than the sum of its proper divisors (1).

340847453 is an equidigital number, since it uses as much as digits as its factorization.

340847453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 340847453 is about 18462.0544089763. The cubic root of 340847453 is about 698.5326084079.

The spelling of 340847453 in words is "three hundred forty million, eight hundred forty-seven thousand, four hundred fifty-three".