401000533 has 2 divisors, whose sum is σ = 401000534. Its totient is φ = 401000532.

The previous prime is 401000513. The next prime is 401000549. The reversal of 401000533 is 335000104.

It is an a-pointer prime, because the next prime (401000549) can be obtained adding 401000533 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394538769 + 6461764 = 19863^2 + 2542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401000533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401000513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200500266 + 200500267.

It is an arithmetic number, because the mean of its divisors is an integer number (200500267).

Almost surely, 2^401000533 is an apocalyptic number.

It is an amenable number.

401000533 is a deficient number, since it is larger than the sum of its proper divisors (1).

401000533 is an equidigital number, since it uses as much as digits as its factorization.

401000533 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 16.

The square root of 401000533 is about 20024.9977028713. The cubic root of 401000533 is about 737.4201207366.

Adding to 401000533 its reverse (335000104), we get a palindrome (736000637).

The spelling of 401000533 in words is "four hundred one million, five hundred thirty-three", and thus it is an aban number.