10243256 has 8 divisors (see below), whose sum is σ = 19206120. Its totient is φ = 5121624.

The previous prime is 10243253. The next prime is 10243267. The reversal of 10243256 is 65234201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640196 + ... + 640211.

It is an arithmetic number, because the mean of its divisors is an integer number (2400765).

Almost surely, 2^10243256 is an apocalyptic number.

It is an amenable number.

10243256 is a deficient number, since it is larger than the sum of its proper divisors (8962864).

10243256 is a wasteful number, since it uses less digits than its factorization.

10243256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280413 (or 1280409 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 10243256 is about 3200.5087095648. The cubic root of 10243256 is about 217.1764228879.

Adding to 10243256 its reverse (65234201), we get a palindrome (75477457).

The spelling of 10243256 in words is "ten million, two hundred forty-three thousand, two hundred fifty-six".