340733453 has 2 divisors, whose sum is σ = 340733454. Its totient is φ = 340733452.

The previous prime is 340733447. The next prime is 340733537. The reversal of 340733453 is 354337043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294534244 + 46199209 = 17162^2 + 6797^2 .

It is a cyclic number.

It is not a de Polignac number, because 340733453 - 2⁶ = 340733389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340733153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170366726 + 170366727.

It is an arithmetic number, because the mean of its divisors is an integer number (170366727).

Almost surely, 2^340733453 is an apocalyptic number.

It is an amenable number.

340733453 is a deficient number, since it is larger than the sum of its proper divisors (1).

340733453 is an equidigital number, since it uses as much as digits as its factorization.

340733453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 32.

The square root of 340733453 is about 18458.9667370630. The cubic root of 340733453 is about 698.4547225421.

The spelling of 340733453 in words is "three hundred forty million, seven hundred thirty-three thousand, four hundred fifty-three".