10400263 has 2 divisors, whose sum is σ = 10400264. Its totient is φ = 10400262.

The previous prime is 10400261. The next prime is 10400267. The reversal of 10400263 is 36200401.

10400263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (36200401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10400263 - 2¹ = 10400261 is a prime.

Together with 10400261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10400261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200131 + 5200132.

It is an arithmetic number, because the mean of its divisors is an integer number (5200132).

Almost surely, 2^10400263 is an apocalyptic number.

10400263 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400263 is an equidigital number, since it uses as much as digits as its factorization.

10400263 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 16.

The square root of 10400263 is about 3224.9438754806. The cubic root of 10400263 is about 218.2804165732.

Adding to 10400263 its reverse (36200401), we get a palindrome (46600664).

The spelling of 10400263 in words is "ten million, four hundred thousand, two hundred sixty-three".