5168649 has 4 divisors (see below), whose sum is σ = 6891536. Its totient is φ = 3445764.

The previous prime is 5168623. The next prime is 5168677. The reversal of 5168649 is 9468615.

5168649 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5168649 - 2⁸ = 5168393 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5168249) 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, 861439 + ... + 861444.

It is an arithmetic number, because the mean of its divisors is an integer number (1722884).

Almost surely, 2^5168649 is an apocalyptic number.

It is an amenable number.

5168649 is a deficient number, since it is larger than the sum of its proper divisors (1722887).

5168649 is a wasteful number, since it uses less digits than its factorization.

5168649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722886.

The product of its digits is 51840, while the sum is 39.

The square root of 5168649 is about 2273.4662962094. The cubic root of 5168649 is about 172.8989464075.

The spelling of 5168649 in words is "five million, one hundred sixty-eight thousand, six hundred forty-nine".