10642621 has 4 divisors (see below), whose sum is σ = 11610144. Its totient is φ = 9675100.

The previous prime is 10642607. The next prime is 10642637. The reversal of 10642621 is 12624601.

10642621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 10642621 - 2¹⁷ = 10511549 is a prime.

It is a super-2 number, since 2×10642621² = 226530763499282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10642592 and 10642601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642661) 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, 483745 + ... + 483766.

It is an arithmetic number, because the mean of its divisors is an integer number (2902536).

Almost surely, 2^10642621 is an apocalyptic number.

10642621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10642621 is a deficient number, since it is larger than the sum of its proper divisors (967523).

10642621 is an equidigital number, since it uses as much as digits as its factorization.

10642621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967522.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 10642621 is about 3262.3030208734. The cubic root of 10642621 is about 219.9629483057.

The spelling of 10642621 in words is "ten million, six hundred forty-two thousand, six hundred twenty-one".