10285491 has 4 divisors (see below), whose sum is σ = 13713992. Its totient is φ = 6856992.

The previous prime is 10285487. The next prime is 10285523. The reversal of 10285491 is 19458201.

It is a happy number.

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

It is not a de Polignac number, because 10285491 - 2² = 10285487 is a prime.

It is a super-2 number, since 2×10285491² = 211582650222162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10285091) 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, 1714246 + ... + 1714251.

It is an arithmetic number, because the mean of its divisors is an integer number (3428498).

Almost surely, 2^10285491 is an apocalyptic number.

10285491 is a deficient number, since it is larger than the sum of its proper divisors (3428501).

10285491 is an equidigital number, since it uses as much as digits as its factorization.

10285491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428500.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 10285491 is about 3207.1000919834. The cubic root of 10285491 is about 217.4745009082.

The spelling of 10285491 in words is "ten million, two hundred eighty-five thousand, four hundred ninety-one".