404966533 has 2 divisors, whose sum is σ = 404966534. Its totient is φ = 404966532.

The previous prime is 404966479. The next prime is 404966539. The reversal of 404966533 is 335669404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299739969 + 105226564 = 17313^2 + 10258^2 .

It is a cyclic number.

It is not a de Polignac number, because 404966533 - 2⁹ = 404966021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404966539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202483266 + 202483267.

It is an arithmetic number, because the mean of its divisors is an integer number (202483267).

Almost surely, 2^404966533 is an apocalyptic number.

It is an amenable number.

404966533 is a deficient number, since it is larger than the sum of its proper divisors (1).

404966533 is an equidigital number, since it uses as much as digits as its factorization.

404966533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 404966533 is about 20123.7802860198. The cubic root of 404966533 is about 739.8432423009.

The spelling of 404966533 in words is "four hundred four million, nine hundred sixty-six thousand, five hundred thirty-three".