404062553 has 4 divisors (see below), whose sum is σ = 404170548. Its totient is φ = 403954560.

The previous prime is 404062543. The next prime is 404062559. The reversal of 404062553 is 355260404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160452889 + 243609664 = 12667^2 + 15608^2 .

It is a cyclic number.

It is not a de Polignac number, because 404062553 - 2⁶ = 404062489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404062559) 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 in 3 ways as a sum of consecutive naturals, for example, 48176 + ... + 55937.

It is an arithmetic number, because the mean of its divisors is an integer number (101042637).

Almost surely, 2^404062553 is an apocalyptic number.

It is an amenable number.

404062553 is a deficient number, since it is larger than the sum of its proper divisors (107995).

404062553 is a wasteful number, since it uses less digits than its factorization.

404062553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107994.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 404062553 is about 20101.3072460475. The cubic root of 404062553 is about 739.2923311353.

The spelling of 404062553 in words is "four hundred four million, sixty-two thousand, five hundred fifty-three".