404213275 has 6 divisors (see below), whose sum is σ = 501224492. Its totient is φ = 323370600.

The previous prime is 404213269. The next prime is 404213279. The reversal of 404213275 is 572312404.

It is not a de Polignac number, because 404213275 - 2⁹ = 404212763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404213279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8084241 + ... + 8084290.

Almost surely, 2^404213275 is an apocalyptic number.

404213275 is a deficient number, since it is larger than the sum of its proper divisors (97011217).

404213275 is a wasteful number, since it uses less digits than its factorization.

404213275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16168541 (or 16168536 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 404213275 is about 20105.0559561519. The cubic root of 404213275 is about 739.3842424544.

Adding to 404213275 its reverse (572312404), we get a palindrome (976525679).

The spelling of 404213275 in words is "four hundred four million, two hundred thirteen thousand, two hundred seventy-five".