401130503 has 2 divisors, whose sum is σ = 401130504. Its totient is φ = 401130502.

The previous prime is 401130497. The next prime is 401130529. The reversal of 401130503 is 305031104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401130503 - 2¹⁶ = 401064967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401130403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200565251 + 200565252.

It is an arithmetic number, because the mean of its divisors is an integer number (200565252).

Almost surely, 2^401130503 is an apocalyptic number.

401130503 is a deficient number, since it is larger than the sum of its proper divisors (1).

401130503 is an equidigital number, since it uses as much as digits as its factorization.

401130503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 401130503 is about 20028.2426338408. The cubic root of 401130503 is about 737.4997815953.

Adding to 401130503 its reverse (305031104), we get a palindrome (706161607).

The spelling of 401130503 in words is "four hundred one million, one hundred thirty thousand, five hundred three".