533646401 has 2 divisors, whose sum is σ = 533646402. Its totient is φ = 533646400.

The previous prime is 533646397. The next prime is 533646419. The reversal of 533646401 is 104646335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269616400 + 264030001 = 16420^2 + 16249^2 .

It is a cyclic number.

It is not a de Polignac number, because 533646401 - 2² = 533646397 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (533646461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266823200 + 266823201.

It is an arithmetic number, because the mean of its divisors is an integer number (266823201).

Almost surely, 2^533646401 is an apocalyptic number.

It is an amenable number.

533646401 is a deficient number, since it is larger than the sum of its proper divisors (1).

533646401 is an equidigital number, since it uses as much as digits as its factorization.

533646401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 533646401 is about 23100.7878869964. The cubic root of 533646401 is about 811.1189134373.

The spelling of 533646401 in words is "five hundred thirty-three million, six hundred forty-six thousand, four hundred one".