10025021 has 8 divisors (see below), whose sum is σ = 10250880. Its totient is φ = 9801792.

The previous prime is 10025011. The next prime is 10025051. The reversal of 10025021 is 12052001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10025021 - 2¹⁸ = 9762877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10024993 and 10025011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10025011) 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 7 ways as a sum of consecutive naturals, for example, 8366 + ... + 9488.

It is an arithmetic number, because the mean of its divisors is an integer number (1281360).

Almost surely, 2^10025021 is an apocalyptic number.

It is an amenable number.

10025021 is a deficient number, since it is larger than the sum of its proper divisors (225859).

10025021 is a wasteful number, since it uses less digits than its factorization.

10025021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 10025021 is about 3166.2313560446. The cubic root of 10025021 is about 215.6230063808.

Adding to 10025021 its reverse (12052001), we get a palindrome (22077022).

The spelling of 10025021 in words is "ten million, twenty-five thousand, twenty-one".