5128863 has 8 divisors (see below), whose sum is σ = 6967728. Its totient is φ = 3354624.

The previous prime is 5128861. The next prime is 5128867. The reversal of 5128863 is 3688215.

It is a happy number.

5128863 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5128863 - 2¹ = 5128861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15970 + ... + 16287.

It is an arithmetic number, because the mean of its divisors is an integer number (870966).

Almost surely, 2^5128863 is an apocalyptic number.

5128863 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5128863 is a deficient number, since it is larger than the sum of its proper divisors (1838865).

5128863 is a wasteful number, since it uses less digits than its factorization.

5128863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32313.

The product of its digits is 11520, while the sum is 33.

The square root of 5128863 is about 2264.6993177903. The cubic root of 5128863 is about 172.4541697193.

The spelling of 5128863 in words is "five million, one hundred twenty-eight thousand, eight hundred sixty-three".