340242583 has 2 divisors, whose sum is σ = 340242584. Its totient is φ = 340242582.

The previous prime is 340242571. The next prime is 340242589. The reversal of 340242583 is 385242043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340242583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340242589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170121291 + 170121292.

It is an arithmetic number, because the mean of its divisors is an integer number (170121292).

Almost surely, 2^340242583 is an apocalyptic number.

340242583 is a deficient number, since it is larger than the sum of its proper divisors (1).

340242583 is an equidigital number, since it uses as much as digits as its factorization.

340242583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 340242583 is about 18445.6656968514. The cubic root of 340242583 is about 698.1191569766.

The spelling of 340242583 in words is "three hundred forty million, two hundred forty-two thousand, five hundred eighty-three".