5157649 has 8 divisors (see below), whose sum is σ = 5929920. Its totient is φ = 4394256.

The previous prime is 5157629. The next prime is 5157661. The reversal of 5157649 is 9467515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5157649 - 2⁵ = 5157617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5157619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919 + ... + 3340.

It is an arithmetic number, because the mean of its divisors is an integer number (741240).

Almost surely, 2^5157649 is an apocalyptic number.

It is an amenable number.

5157649 is a deficient number, since it is larger than the sum of its proper divisors (772271).

5157649 is a wasteful number, since it uses less digits than its factorization.

5157649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439.

The product of its digits is 37800, while the sum is 37.

The square root of 5157649 is about 2271.0457943423. The cubic root of 5157649 is about 172.7762038741.

The spelling of 5157649 in words is "five million, one hundred fifty-seven thousand, six hundred forty-nine".