10284257 has 4 divisors (see below), whose sum is σ = 10291200. Its totient is φ = 10277316.

The previous prime is 10284251. The next prime is 10284271. The reversal of 10284257 is 75248201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75248201 = 7 ⋅10749743.

It is a cyclic number.

It is not a de Polignac number, because 10284257 - 2¹⁸ = 10022113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10284251) 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 3 ways as a sum of consecutive naturals, for example, 257 + ... + 4542.

It is an arithmetic number, because the mean of its divisors is an integer number (2572800).

Almost surely, 2^10284257 is an apocalyptic number.

It is an amenable number.

10284257 is a deficient number, since it is larger than the sum of its proper divisors (6943).

10284257 is an equidigital number, since it uses as much as digits as its factorization.

10284257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 10284257 is about 3206.9077005739. The cubic root of 10284257 is about 217.4658034051.

The spelling of 10284257 in words is "ten million, two hundred eighty-four thousand, two hundred fifty-seven".