10421361 has 6 divisors (see below), whose sum is σ = 15053090. Its totient is φ = 6947568.

The previous prime is 10421317. The next prime is 10421371. The reversal of 10421361 is 16312401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10400625 + 20736 = 3225^2 + 144^2 .

It is not a de Polignac number, because 10421361 - 2⁶ = 10421297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10421311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 578956 + ... + 578973.

Almost surely, 2^10421361 is an apocalyptic number.

It is an amenable number.

10421361 is a deficient number, since it is larger than the sum of its proper divisors (4631729).

10421361 is a wasteful number, since it uses less digits than its factorization.

10421361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157935 (or 1157932 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10421361 is about 3228.2132829167. The cubic root of 10421361 is about 218.4279182802.

Adding to 10421361 its reverse (16312401), we get a palindrome (26733762).

The spelling of 10421361 in words is "ten million, four hundred twenty-one thousand, three hundred sixty-one".