3531813 has 8 divisors (see below), whose sum is σ = 4773888. Its totient is φ = 2322144.

The previous prime is 3531809. The next prime is 3531833. The reversal of 3531813 is 3181353.

3531813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3531813 - 2² = 3531809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531833) 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 7 ways as a sum of consecutive naturals, for example, 7845 + ... + 8282.

It is an arithmetic number, because the mean of its divisors is an integer number (596736).

Almost surely, 2^3531813 is an apocalyptic number.

It is an amenable number.

3531813 is a deficient number, since it is larger than the sum of its proper divisors (1242075).

3531813 is a wasteful number, since it uses less digits than its factorization.

3531813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16203.

The product of its digits is 1080, while the sum is 24.

The square root of 3531813 is about 1879.3118421380. The cubic root of 3531813 is about 152.2880761431.

The spelling of 3531813 in words is "three million, five hundred thirty-one thousand, eight hundred thirteen".