10634021 has 4 divisors (see below), whose sum is σ = 10640544. Its totient is φ = 10627500.

The previous prime is 10634011. The next prime is 10634087. The reversal of 10634021 is 12043601.

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: 12043601 = 827 ⋅14563.

It is a cyclic number.

It is not a de Polignac number, because 10634021 - 2²² = 6439717 is a prime.

It is a super-2 number, since 2×10634021² = 226164805256882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10634011) 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, 1616 + ... + 4886.

It is an arithmetic number, because the mean of its divisors is an integer number (2660136).

Almost surely, 2^10634021 is an apocalyptic number.

It is an amenable number.

10634021 is a deficient number, since it is larger than the sum of its proper divisors (6523).

10634021 is an equidigital number, since it uses as much as digits as its factorization.

10634021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 10634021 is about 3260.9846672439. The cubic root of 10634021 is about 219.9036837341.

Adding to 10634021 its reverse (12043601), we get a palindrome (22677622).

The spelling of 10634021 in words is "ten million, six hundred thirty-four thousand, twenty-one".