5815487 has 2 divisors, whose sum is σ = 5815488. Its totient is φ = 5815486.

The previous prime is 5815423. The next prime is 5815489. The reversal of 5815487 is 7845185.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5815487 - 2⁶ = 5815423 is a prime.

Together with 5815489, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5815487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5815489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2907743 + 2907744.

It is an arithmetic number, because the mean of its divisors is an integer number (2907744).

Almost surely, 2^5815487 is an apocalyptic number.

5815487 is a deficient number, since it is larger than the sum of its proper divisors (1).

5815487 is an equidigital number, since it uses as much as digits as its factorization.

5815487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 38.

The square root of 5815487 is about 2411.5320856252. The cubic root of 5815487 is about 179.8299525742.

The spelling of 5815487 in words is "five million, eight hundred fifteen thousand, four hundred eighty-seven".