3623131 has 4 divisors (see below), whose sum is σ = 3684600. Its totient is φ = 3561664.

The previous prime is 3623117. The next prime is 3623143. The reversal of 3623131 is 1313263.

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

It is a cyclic number.

It is not a de Polignac number, because 3623131 - 2⁵ = 3623099 is a prime.

It is a super-2 number, since 2×3623131² = 26254156486322, which contains 22 as substring.

It is a Duffinian number.

3623131 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3623099 and 3623108.

It is not an unprimeable number, because it can be changed into a prime (3623171) 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, 30646 + ... + 30763.

It is an arithmetic number, because the mean of its divisors is an integer number (921150).

Almost surely, 2^3623131 is an apocalyptic number.

3623131 is a deficient number, since it is larger than the sum of its proper divisors (61469).

3623131 is an equidigital number, since it uses as much as digits as its factorization.

3623131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61468.

The product of its digits is 324, while the sum is 19.

The square root of 3623131 is about 1903.4523897382. The cubic root of 3623131 is about 153.5894360094.

Adding to 3623131 its reverse (1313263), we get a palindrome (4936394).

The spelling of 3623131 in words is "three million, six hundred twenty-three thousand, one hundred thirty-one".