5631146 has 4 divisors (see below), whose sum is σ = 8446722. Its totient is φ = 2815572.

The previous prime is 5631121. The next prime is 5631169. The reversal of 5631146 is 6411365.

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

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 546121 = 2255^2 + 739^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1407785 + ... + 1407788.

Almost surely, 2^5631146 is an apocalyptic number.

5631146 is a deficient number, since it is larger than the sum of its proper divisors (2815576).

5631146 is a wasteful number, since it uses less digits than its factorization.

5631146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815575.

The product of its digits is 2160, while the sum is 26.

The square root of 5631146 is about 2373.0035819611. The cubic root of 5631146 is about 177.9094139927.

The spelling of 5631146 in words is "five million, six hundred thirty-one thousand, one hundred forty-six".