340315249 has 4 divisors (see below), whose sum is σ = 340455664. Its totient is φ = 340174836.

The previous prime is 340315247. The next prime is 340315253. The reversal of 340315249 is 942513043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340315249 - 2¹ = 340315247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340315249.

It is not an unprimeable number, because it can be changed into a prime (340315247) 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, 66507 + ... + 71440.

It is an arithmetic number, because the mean of its divisors is an integer number (85113916).

Almost surely, 2^340315249 is an apocalyptic number.

It is an amenable number.

340315249 is a deficient number, since it is larger than the sum of its proper divisors (140415).

340315249 is a wasteful number, since it uses less digits than its factorization.

340315249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140414.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 340315249 is about 18447.6353227182. The cubic root of 340315249 is about 698.1688528095.

The spelling of 340315249 in words is "three hundred forty million, three hundred fifteen thousand, two hundred forty-nine".