5243290 has 32 divisors (see below), whose sum is σ = 10369296. Its totient is φ = 1896960.

The previous prime is 5243281. The next prime is 5243317. The reversal of 5243290 is 923425.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 363609 + 4879681 = 603^2 + 2209^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6510 + ... + 7270.

Almost surely, 2^5243290 is an apocalyptic number.

5243290 is a deficient number, since it is larger than the sum of its proper divisors (5126006).

5243290 is a wasteful number, since it uses less digits than its factorization.

5243290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 5243290 is about 2289.8231372750. The cubic root of 5243290 is about 173.7272557914.

The spelling of 5243290 in words is "five million, two hundred forty-three thousand, two hundred ninety".