10021373 has 4 divisors (see below), whose sum is σ = 10030368. Its totient is φ = 10012380.

The previous prime is 10021357. The next prime is 10021393. The reversal of 10021373 is 37312001.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 37312001 = 1531 ⋅24371.

It is a cyclic number.

It is not a de Polignac number, because 10021373 - 2⁴ = 10021357 is a prime.

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 (10021393) 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, 2543 + ... + 5148.

It is an arithmetic number, because the mean of its divisors is an integer number (2507592).

Almost surely, 2^10021373 is an apocalyptic number.

It is an amenable number.

10021373 is a deficient number, since it is larger than the sum of its proper divisors (8995).

10021373 is an equidigital number, since it uses as much as digits as its factorization.

10021373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8994.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 10021373 is about 3165.6552244362. The cubic root of 10021373 is about 215.5968488909.

Adding to 10021373 its reverse (37312001), we get a palindrome (47333374).

The spelling of 10021373 in words is "ten million, twenty-one thousand, three hundred seventy-three".