487251943 has 4 divisors (see below), whose sum is σ = 515913840. Its totient is φ = 458590048.

The previous prime is 487251937. The next prime is 487251959. The reversal of 487251943 is 349152784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487251943 - 2⁵ = 487251911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 487251943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487251923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14330923 + ... + 14330956.

It is an arithmetic number, because the mean of its divisors is an integer number (128978460).

Almost surely, 2^487251943 is an apocalyptic number.

487251943 is a deficient number, since it is larger than the sum of its proper divisors (28661897).

487251943 is a wasteful number, since it uses less digits than its factorization.

487251943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28661896.

The product of its digits is 241920, while the sum is 43.

The square root of 487251943 is about 22073.7840661723. The cubic root of 487251943 is about 786.8969461538.

The spelling of 487251943 in words is "four hundred eighty-seven million, two hundred fifty-one thousand, nine hundred forty-three".