340252005 has 16 divisors (see below), whose sum is σ = 544892544. Its totient is φ = 181304640.

The previous prime is 340251959. The next prime is 340252007. The reversal of 340252005 is 500252043.

It is not a de Polignac number, because 340252005 - 2⁹ = 340251493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340252007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8112 + ... + 27318.

It is an arithmetic number, because the mean of its divisors is an integer number (34055784).

Almost surely, 2^340252005 is an apocalyptic number.

It is an amenable number.

340252005 is a deficient number, since it is larger than the sum of its proper divisors (204640539).

340252005 is a wasteful number, since it uses less digits than its factorization.

340252005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20396.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 340252005 is about 18445.9210938354. The cubic root of 340252005 is about 698.1256010240.

The spelling of 340252005 in words is "three hundred forty million, two hundred fifty-two thousand, five".