403553413 has 4 divisors (see below), whose sum is σ = 414460300. Its totient is φ = 392646528.

The previous prime is 403553401. The next prime is 403553431. The reversal of 403553413 is 314355304.

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 228070404 + 175483009 = 15102^2 + 13247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403553413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403553453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5453388 + ... + 5453461.

It is an arithmetic number, because the mean of its divisors is an integer number (103615075).

Almost surely, 2^403553413 is an apocalyptic number.

It is an amenable number.

403553413 is a deficient number, since it is larger than the sum of its proper divisors (10906887).

403553413 is a wasteful number, since it uses less digits than its factorization.

403553413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10906886.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 403553413 is about 20088.6389036191. The cubic root of 403553413 is about 738.9816849235.

The spelling of 403553413 in words is "four hundred three million, five hundred fifty-three thousand, four hundred thirteen".