10021293 has 32 divisors (see below), whose sum is σ = 15552000. Its totient is φ = 6372288.

The previous prime is 10021289. The next prime is 10021301. The reversal of 10021293 is 39212001.

It is a happy number.

It is not a de Polignac number, because 10021293 - 2² = 10021289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67183 + ... + 67331.

It is an arithmetic number, because the mean of its divisors is an integer number (486000).

Almost surely, 2^10021293 is an apocalyptic number.

It is an amenable number.

10021293 is a deficient number, since it is larger than the sum of its proper divisors (5530707).

10021293 is a wasteful number, since it uses less digits than its factorization.

10021293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 10021293 is about 3165.6425887962. The cubic root of 10021293 is about 215.5962751906.

Adding to 10021293 its reverse (39212001), we get a palindrome (49233294).

The spelling of 10021293 in words is "ten million, twenty-one thousand, two hundred ninety-three".