340450225 has 6 divisors (see below), whose sum is σ = 422158310. Its totient is φ = 272360160.

The previous prime is 340450219. The next prime is 340450247. The reversal of 340450225 is 522054043.

It can be written as a sum of positive squares in 3 ways, for example, as 66977856 + 273472369 = 8184^2 + 16537^2 .

It is not a de Polignac number, because 340450225 - 2⁵ = 340450193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 13618009 = 340450225 / (3 + 4 + 0 + 4 + 5 + 0 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 340450225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6808980 + ... + 6809029.

Almost surely, 2^340450225 is an apocalyptic number.

It is an amenable number.

340450225 is a deficient number, since it is larger than the sum of its proper divisors (81708085).

340450225 is a wasteful number, since it uses less digits than its factorization.

340450225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13618019 (or 13618014 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 340450225 is about 18451.2933151040. The cubic root of 340450225 is about 698.2611432994.

The spelling of 340450225 in words is "three hundred forty million, four hundred fifty thousand, two hundred twenty-five".