10257869 has 4 divisors (see below), whose sum is σ = 10588800. Its totient is φ = 9926940.

The previous prime is 10257859. The next prime is 10257893. The reversal of 10257869 is 96875201.

10257869 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, and also an emirpimes, since its reverse is a distinct semiprime: 96875201 = 227 ⋅426763.

It is a cyclic number.

It is not a de Polignac number, because 10257869 - 2²⁰ = 9209293 is a prime.

It is a super-2 number, since 2×10257869² = 210447752842322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10257809) 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, 165419 + ... + 165480.

It is an arithmetic number, because the mean of its divisors is an integer number (2647200).

Almost surely, 2^10257869 is an apocalyptic number.

It is an amenable number.

10257869 is a deficient number, since it is larger than the sum of its proper divisors (330931).

10257869 is an equidigital number, since it uses as much as digits as its factorization.

10257869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330930.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 10257869 is about 3202.7908142743. The cubic root of 10257869 is about 217.2796482398.

The spelling of 10257869 in words is "ten million, two hundred fifty-seven thousand, eight hundred sixty-nine".