10257385 has 4 divisors (see below), whose sum is σ = 12308868. Its totient is φ = 8205904.

The previous prime is 10257383. The next prime is 10257391. The reversal of 10257385 is 58375201.

10257385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6046681 + 4210704 = 2459^2 + 2052^2 .

It is a cyclic number.

It is not a de Polignac number, because 10257385 - 2¹ = 10257383 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10257383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025734 + ... + 1025743.

It is an arithmetic number, because the mean of its divisors is an integer number (3077217).

Almost surely, 2^10257385 is an apocalyptic number.

It is an amenable number.

10257385 is a deficient number, since it is larger than the sum of its proper divisors (2051483).

10257385 is an equidigital number, since it uses as much as digits as its factorization.

10257385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051482.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 10257385 is about 3202.7152542803. The cubic root of 10257385 is about 217.2762308632.

The spelling of 10257385 in words is "ten million, two hundred fifty-seven thousand, three hundred eighty-five".