404033425 has 6 divisors (see below), whose sum is σ = 501001478. Its totient is φ = 323226720.

The previous prime is 404033411. The next prime is 404033429. The reversal of 404033425 is 524330404.

It can be written as a sum of positive squares in 3 ways, for example, as 65804544 + 338228881 = 8112^2 + 18391^2 .

It is not a de Polignac number, because 404033425 - 2⁷ = 404033297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 16161337 = 404033425 / (4 + 0 + 4 + 0 + 3 + 3 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404033425.

It is not an unprimeable number, because it can be changed into a prime (404033429) 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, 8080644 + ... + 8080693.

Almost surely, 2^404033425 is an apocalyptic number.

It is an amenable number.

404033425 is a deficient number, since it is larger than the sum of its proper divisors (96968053).

404033425 is a wasteful number, since it uses less digits than its factorization.

404033425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16161347 (or 16161342 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 404033425 is about 20100.5827029964. The cubic root of 404033425 is about 739.2745660439.

Adding to 404033425 its reverse (524330404), we get a palindrome (928363829).

The spelling of 404033425 in words is "four hundred four million, thirty-three thousand, four hundred twenty-five".