10400501 has 2 divisors, whose sum is σ = 10400502. Its totient is φ = 10400500.

The previous prime is 10400491. The next prime is 10400513. The reversal of 10400501 is 10500401.

10400501 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5880625 + 4519876 = 2425^2 + 2126^2 .

It is a cyclic number.

It is not a de Polignac number, because 10400501 - 2²² = 6206197 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10400521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200250 + 5200251.

It is an arithmetic number, because the mean of its divisors is an integer number (5200251).

Almost surely, 2^10400501 is an apocalyptic number.

It is an amenable number.

10400501 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400501 is an equidigital number, since it uses as much as digits as its factorization.

10400501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 10400501 is about 3224.9807751365. The cubic root of 10400501 is about 218.2820816062.

Adding to 10400501 its reverse (10500401), we get a palindrome (20900902).

It can be divided in two parts, 10400 and 501, that added together give a palindrome (10901).

The spelling of 10400501 in words is "ten million, four hundred thousand, five hundred one".