10243261 has 8 divisors (see below), whose sum is σ = 12322880. Its totient is φ = 8317728.

The previous prime is 10243253. The next prime is 10243267. The reversal of 10243261 is 16234201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10243261 - 2³ = 10243253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38376 + ... + 38641.

It is an arithmetic number, because the mean of its divisors is an integer number (1540360).

Almost surely, 2^10243261 is an apocalyptic number.

It is an amenable number.

10243261 is a deficient number, since it is larger than the sum of its proper divisors (2079619).

10243261 is an equidigital number, since it uses as much as digits as its factorization.

10243261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77043.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 10243261 is about 3200.5094906905. The cubic root of 10243261 is about 217.1764582244.

Adding to 10243261 its reverse (16234201), we get a palindrome (26477462).

The spelling of 10243261 in words is "ten million, two hundred forty-three thousand, two hundred sixty-one".