5149663 has 4 divisors (see below), whose sum is σ = 5154208. Its totient is φ = 5145120.

The previous prime is 5149643. The next prime is 5149667. The reversal of 5149663 is 3669415.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3669415 = 5 ⋅733883.

It is a cyclic number.

It is not a de Polignac number, because 5149663 - 2¹⁷ = 5018591 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 (5149667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970 + ... + 3352.

It is an arithmetic number, because the mean of its divisors is an integer number (1288552).

Almost surely, 2^5149663 is an apocalyptic number.

5149663 is a deficient number, since it is larger than the sum of its proper divisors (4545).

5149663 is a wasteful number, since it uses less digits than its factorization.

5149663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544.

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

The square root of 5149663 is about 2269.2868923959. The cubic root of 5149663 is about 172.6869834093.

The spelling of 5149663 in words is "five million, one hundred forty-nine thousand, six hundred sixty-three".