10351421 has 4 divisors (see below), whose sum is σ = 10571712. Its totient is φ = 10131132.

The previous prime is 10351399. The next prime is 10351423. The reversal of 10351421 is 12415301.

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: 12415301 = 67 ⋅185303.

It is not a de Polignac number, because 10351421 - 2¹⁴ = 10335037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10351421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10351423) 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, 110075 + ... + 110168.

It is an arithmetic number, because the mean of its divisors is an integer number (2642928).

Almost surely, 2^10351421 is an apocalyptic number.

It is an amenable number.

10351421 is a deficient number, since it is larger than the sum of its proper divisors (220291).

10351421 is an equidigital number, since it uses as much as digits as its factorization.

10351421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220290.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 10351421 is about 3217.3624290714. The cubic root of 10351421 is about 217.9381821186.

Adding to 10351421 its reverse (12415301), we get a palindrome (22766722).

The spelling of 10351421 in words is "ten million, three hundred fifty-one thousand, four hundred twenty-one".