340245263 has 4 divisors (see below), whose sum is σ = 340343808. Its totient is φ = 340146720.

The previous prime is 340245253. The next prime is 340245281. The reversal of 340245263 is 362542043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340245263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340245203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43898 + ... + 51063.

It is an arithmetic number, because the mean of its divisors is an integer number (85085952).

Almost surely, 2^340245263 is an apocalyptic number.

340245263 is a deficient number, since it is larger than the sum of its proper divisors (98545).

340245263 is an equidigital number, since it uses as much as digits as its factorization.

340245263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98544.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 340245263 is about 18445.7383425007. The cubic root of 340245263 is about 698.1209899379.

The spelling of 340245263 in words is "three hundred forty million, two hundred forty-five thousand, two hundred sixty-three".