533221373 has 2 divisors, whose sum is σ = 533221374. Its totient is φ = 533221372.

The previous prime is 533221369. The next prime is 533221379. The reversal of 533221373 is 373122335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345476569 + 187744804 = 18587^2 + 13702^2 .

It is a cyclic number.

It is not a de Polignac number, because 533221373 - 2² = 533221369 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (533221379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266610686 + 266610687.

It is an arithmetic number, because the mean of its divisors is an integer number (266610687).

Almost surely, 2^533221373 is an apocalyptic number.

It is an amenable number.

533221373 is a deficient number, since it is larger than the sum of its proper divisors (1).

533221373 is an equidigital number, since it uses as much as digits as its factorization.

533221373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 29.

The square root of 533221373 is about 23091.5866280340. The cubic root of 533221373 is about 810.9035149915.

The spelling of 533221373 in words is "five hundred thirty-three million, two hundred twenty-one thousand, three hundred seventy-three".