290341225 has 6 divisors (see below), whose sum is σ = 360023150. Its totient is φ = 232272960.

The previous prime is 290341187. The next prime is 290341279. The reversal of 290341225 is 522143092.

It can be written as a sum of positive squares in 3 ways, for example, as 33732864 + 256608361 = 5808^2 + 16019^2 .

It is not a de Polignac number, because 290341225 - 2¹⁵ = 290308457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 290341193 and 290341202.

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, 5806800 + ... + 5806849.

Almost surely, 2^290341225 is an apocalyptic number.

290341225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

290341225 is a deficient number, since it is larger than the sum of its proper divisors (69681925).

290341225 is a wasteful number, since it uses less digits than its factorization.

290341225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11613659 (or 11613654 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 290341225 is about 17039.4021315303. The cubic root of 290341225 is about 662.1701027512.

The spelling of 290341225 in words is "two hundred ninety million, three hundred forty-one thousand, two hundred twenty-five".