5663149 has 4 divisors (see below), whose sum is σ = 5858460. Its totient is φ = 5467840.

The previous prime is 5663131. The next prime is 5663153. The reversal of 5663149 is 9413665.

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 4485924 + 1177225 = 2118^2 + 1085^2 .

It is a cyclic number.

It is not a de Polignac number, because 5663149 - 2⁹ = 5662637 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5663549) 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, 97612 + ... + 97669.

It is an arithmetic number, because the mean of its divisors is an integer number (1464615).

Almost surely, 2^5663149 is an apocalyptic number.

It is an amenable number.

5663149 is a deficient number, since it is larger than the sum of its proper divisors (195311).

5663149 is a wasteful number, since it uses less digits than its factorization.

5663149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195310.

The product of its digits is 19440, while the sum is 34.

The square root of 5663149 is about 2379.7371703615. The cubic root of 5663149 is about 178.2458098676.

The spelling of 5663149 in words is "five million, six hundred sixty-three thousand, one hundred forty-nine".