10021465 has 4 divisors (see below), whose sum is σ = 12025764. Its totient is φ = 8017168.

The previous prime is 10021457. The next prime is 10021469. The reversal of 10021465 is 56412001.

10021465 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1565001 + 8456464 = 1251^2 + 2908^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021465 - 2³ = 10021457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021469) 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, 1002142 + ... + 1002151.

It is an arithmetic number, because the mean of its divisors is an integer number (3006441).

Almost surely, 2^10021465 is an apocalyptic number.

It is an amenable number.

10021465 is a deficient number, since it is larger than the sum of its proper divisors (2004299).

10021465 is an equidigital number, since it uses as much as digits as its factorization.

10021465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004298.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10021465 is about 3165.6697553598. The cubic root of 10021465 is about 215.5975086424.

Adding to 10021465 its reverse (56412001), we get a palindrome (66433466).

The spelling of 10021465 in words is "ten million, twenty-one thousand, four hundred sixty-five".