487550131 has 2 divisors, whose sum is σ = 487550132. Its totient is φ = 487550130.

The previous prime is 487550111. The next prime is 487550171. The reversal of 487550131 is 131055784.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487550131 is a prime.

It is a super-2 number, since 2×487550131² = 475410260476234322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (487550111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243775065 + 243775066.

It is an arithmetic number, because the mean of its divisors is an integer number (243775066).

Almost surely, 2^487550131 is an apocalyptic number.

487550131 is a deficient number, since it is larger than the sum of its proper divisors (1).

487550131 is an equidigital number, since it uses as much as digits as its factorization.

487550131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 487550131 is about 22080.5373802360. The cubic root of 487550131 is about 787.0574349117.

The spelling of 487550131 in words is "four hundred eighty-seven million, five hundred fifty thousand, one hundred thirty-one".