404133101 has 2 divisors, whose sum is σ = 404133102. Its totient is φ = 404133100.

The previous prime is 404133091. The next prime is 404133139. The reversal of 404133101 is 101331404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228040201 + 176092900 = 15101^2 + 13270^2 .

It is a cyclic number.

It is not a de Polignac number, because 404133101 - 2¹⁰ = 404132077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 404133101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404133151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202066550 + 202066551.

It is an arithmetic number, because the mean of its divisors is an integer number (202066551).

Almost surely, 2^404133101 is an apocalyptic number.

It is an amenable number.

404133101 is a deficient number, since it is larger than the sum of its proper divisors (1).

404133101 is an equidigital number, since it uses as much as digits as its factorization.

404133101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 404133101 is about 20103.0619807033. The cubic root of 404133101 is about 739.3353546390.

Adding to 404133101 its reverse (101331404), we get a palindrome (505464505).

The spelling of 404133101 in words is "four hundred four million, one hundred thirty-three thousand, one hundred one".