10257281 has 8 divisors (see below), whose sum is σ = 10465920. Its totient is φ = 10050768.

The previous prime is 10257277. The next prime is 10257347. The reversal of 10257281 is 18275201.

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 10257281 - 2² = 10257277 is a prime.

It is a super-2 number, since 2×10257281² = 210423627025922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10257281.

It is not an unprimeable number, because it can be changed into a prime (10257781) 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, 11990 + ... + 12816.

It is an arithmetic number, because the mean of its divisors is an integer number (1308240).

Almost surely, 2^10257281 is an apocalyptic number.

It is an amenable number.

10257281 is a deficient number, since it is larger than the sum of its proper divisors (208639).

10257281 is an equidigital number, since it uses as much as digits as its factorization.

10257281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 10257281 is about 3202.6990180159. The cubic root of 10257281 is about 217.2754965368.

The spelling of 10257281 in words is "ten million, two hundred fifty-seven thousand, two hundred eighty-one".