10257393 has 4 divisors (see below), whose sum is σ = 13676528. Its totient is φ = 6838260.

The previous prime is 10257391. The next prime is 10257407. The reversal of 10257393 is 39375201.

10257393 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10257393 - 2¹ = 10257391 is a prime.

It is a super-2 number, since 2×10257393² = 210428222312898, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10257393.

It is not an unprimeable number, because it can be changed into a prime (10257391) 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, 1709563 + ... + 1709568.

It is an arithmetic number, because the mean of its divisors is an integer number (3419132).

Almost surely, 2^10257393 is an apocalyptic number.

It is an amenable number.

10257393 is a deficient number, since it is larger than the sum of its proper divisors (3419135).

10257393 is an equidigital number, since it uses as much as digits as its factorization.

10257393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419134.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 10257393 is about 3202.7165032204. The cubic root of 10257393 is about 217.2762873496.

It can be divided in two parts, 10 and 257393, that added together give a triangular number (257403 = T₇₁₇).

The spelling of 10257393 in words is "ten million, two hundred fifty-seven thousand, three hundred ninety-three".