10036421 has 2 divisors, whose sum is σ = 10036422.
Its totient is φ = 10036420.
The previous prime is 10036417. The next prime is 10036457. The reversal of 10036421 is 12463001.
Adding to 10036421 its reverse (12463001), we get a palindrome (22499422).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8473921 + 1562500 = 2911^2 + 1250^2
It is an emirp because it is prime and its reverse (12463001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10036421 - 22 = 10036417 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10036421.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10030421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5018210 + 5018211.
It is an arithmetic number, because the mean of its divisors is an integer number (5018211).
Almost surely, 210036421 is an apocalyptic number.
It is an amenable number.
10036421 is a deficient number, since it is larger than the sum of its proper divisors (1).
10036421 is an equidigital number, since it uses as much as digits as its factorization.
10036421 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 10036421 is about 3168.0310920191.
The cubic root of 10036421 is about 215.7047076598.
The spelling of 10036421 in words is "ten million, thirty-six thousand, four hundred twenty-one".