5078521 has 8 divisors (see below), whose sum is σ = 5874624. Its totient is φ = 4300080.

The previous prime is 5078519. The next prime is 5078531. The reversal of 5078521 is 1258705.

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 5078521 - 2¹ = 5078519 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5078521.

It is not an unprimeable number, because it can be changed into a prime (5078501) 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, 3790 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (734328).

Almost surely, 2^5078521 is an apocalyptic number.

It is an amenable number.

5078521 is a deficient number, since it is larger than the sum of its proper divisors (796103).

5078521 is an equidigital number, since it uses as much as digits as its factorization.

5078521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8831.

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

The square root of 5078521 is about 2253.5574099632. The cubic root of 5078521 is about 171.8880761842. Note that the first 3 decimals are identical.

The spelling of 5078521 in words is "five million, seventy-eight thousand, five hundred twenty-one".