5178487 has 2 divisors, whose sum is σ = 5178488. Its totient is φ = 5178486.

The previous prime is 5178419. The next prime is 5178499. The reversal of 5178487 is 7848715.

5178487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5178487 - 2¹⁵ = 5145719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5178787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2589243 + 2589244.

It is an arithmetic number, because the mean of its divisors is an integer number (2589244).

Almost surely, 2^5178487 is an apocalyptic number.

5178487 is a deficient number, since it is larger than the sum of its proper divisors (1).

5178487 is an equidigital number, since it uses as much as digits as its factorization.

5178487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 40.

The square root of 5178487 is about 2275.6289240559. The cubic root of 5178487 is about 173.0085754267.

It can be divided in two parts, 5178 and 487, that added together give a palindrome (5665).

The spelling of 5178487 in words is "five million, one hundred seventy-eight thousand, four hundred eighty-seven".