5078125 has 18 divisors (see below), whose sum is σ = 6835934. Its totient is φ = 3750000.

The previous prime is 5078123. The next prime is 5078167. The reversal of 5078125 is 5218705.

It can be written as a sum of positive squares in 9 ways, for example, as 826281 + 4251844 = 909^2 + 2062^2 .

It is not a de Polignac number, because 5078125 - 2¹ = 5078123 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

5078125 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5078093 and 5078102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5078123) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 390619 + ... + 390631.

Almost surely, 2^5078125 is an apocalyptic number.

It is an amenable number.

5078125 is a deficient number, since it is larger than the sum of its proper divisors (1757809).

5078125 is an frugal number, since it uses more digits than its factorization.

5078125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 5078125 is about 2253.4695471650. The cubic root of 5078125 is about 171.8836083843.

The spelling of 5078125 in words is "five million, seventy-eight thousand, one hundred twenty-five".