5256290 has 16 divisors (see below), whose sum is σ = 10189368. Its totient is φ = 1940736.

The previous prime is 5256287. The next prime is 5256299. The reversal of 5256290 is 926525.

It can be written as a sum of positive squares in 4 ways, for example, as 2253001 + 3003289 = 1501^2 + 1733^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5256299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20087 + ... + 20346.

Almost surely, 2^5256290 is an apocalyptic number.

5256290 is a deficient number, since it is larger than the sum of its proper divisors (4933078).

5256290 is a wasteful number, since it uses less digits than its factorization.

5256290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40453.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 5256290 is about 2292.6600271301. The cubic root of 5256290 is about 173.8707147256.

The spelling of 5256290 in words is "five million, two hundred fifty-six thousand, two hundred ninety".