340956225 has 27 divisors (see below), whose sum is σ = 611186979. Its totient is φ = 181695600.

The previous prime is 340956223. The next prime is 340956227. The reversal of 340956225 is 522659043.

The square root of 340956225 is 18465.

It is a perfect power (a square), and thus also a powerful number.

340956225 is a `hidden beast` number, since 340 + 95 + 6 + 225 = 666.

It is an interprime number because it is at equal distance from previous prime (340956223) and next prime (340956227).

It can be written as a sum of positive squares in only one way, i.e., 122744241 + 218211984 = 11079^2 + 14772^2 .

It is not a de Polignac number, because 340956225 - 2¹ = 340956223 is a prime.

It is a super-2 number, since 2×340956225² = 232502294732501250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340956225.

It is not an unprimeable number, because it can be changed into a prime (340956223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 276360 + ... + 277590.

Almost surely, 2^340956225 is an apocalyptic number.

340956225 is the 18465-th square number.

340956225 is the 9233-rd centered octagonal number.

It is an amenable number.

340956225 is a deficient number, since it is larger than the sum of its proper divisors (270230754).

340956225 is an equidigital number, since it uses as much as digits as its factorization.

340956225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The cubic root of 340956225 is about 698.6069062669.

Multiplying 340956225 by its sum of digits (36), we get a square (12274424100 = 110790²).

The spelling of 340956225 in words is "three hundred forty million, nine hundred fifty-six thousand, two hundred twenty-five".