4131487 has 2 divisors, whose sum is σ = 4131488. Its totient is φ = 4131486.

The previous prime is 4131473. The next prime is 4131539. The reversal of 4131487 is 7841314.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4131487 - 2¹¹ = 4129439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4111487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065743 + 2065744.

It is an arithmetic number, because the mean of its divisors is an integer number (2065744).

Almost surely, 2^4131487 is an apocalyptic number.

4131487 is a deficient number, since it is larger than the sum of its proper divisors (1).

4131487 is an equidigital number, since it uses as much as digits as its factorization.

4131487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 4131487 is about 2032.6059627975. The cubic root of 4131487 is about 160.4607422675.

The spelling of 4131487 in words is "four million, one hundred thirty-one thousand, four hundred eighty-seven".