10421653 has 4 divisors (see below), whose sum is σ = 11369088. Its totient is φ = 9474220.

The previous prime is 10421623. The next prime is 10421669. The reversal of 10421653 is 35612401.

10421653 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, and also an emirpimes, since its reverse is a distinct semiprime: 35612401 = 11 ⋅3237491.

It is a cyclic number.

It is not a de Polignac number, because 10421653 - 2⁹ = 10421141 is a prime.

It is a super-2 number, since 2×10421653² = 217221702504818, 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 (10421623) 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, 473701 + ... + 473722.

It is an arithmetic number, because the mean of its divisors is an integer number (2842272).

Almost surely, 2^10421653 is an apocalyptic number.

It is an amenable number.

10421653 is a deficient number, since it is larger than the sum of its proper divisors (947435).

10421653 is an equidigital number, since it uses as much as digits as its factorization.

10421653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947434.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 10421653 is about 3228.2585088558. The cubic root of 10421653 is about 218.4299583323.

The spelling of 10421653 in words is "ten million, four hundred twenty-one thousand, six hundred fifty-three".