10285391 has 4 divisors (see below), whose sum is σ = 10890432. Its totient is φ = 9680352.

The previous prime is 10285351. The next prime is 10285409. The reversal of 10285391 is 19358201.

10285391 is digitally balanced in base 3, 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 is a cyclic number.

It is not a de Polignac number, because 10285391 - 2¹⁰ = 10284367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10285351) 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, 302495 + ... + 302528.

It is an arithmetic number, because the mean of its divisors is an integer number (2722608).

Almost surely, 2^10285391 is an apocalyptic number.

10285391 is a deficient number, since it is larger than the sum of its proper divisors (605041).

10285391 is an equidigital number, since it uses as much as digits as its factorization.

10285391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605040.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 10285391 is about 3207.0845015372. The cubic root of 10285391 is about 217.4737961121.

The spelling of 10285391 in words is "ten million, two hundred eighty-five thousand, three hundred ninety-one".