487250557 has 4 divisors (see below), whose sum is σ = 487297980. Its totient is φ = 487203136.

The previous prime is 487250537. The next prime is 487250579. The reversal of 487250557 is 755052784.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 243703321 + 243547236 = 15611^2 + 15606^2 .

It is a cyclic number.

It is not a de Polignac number, because 487250557 - 2¹⁵ = 487217789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487250527) 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 in 3 ways as a sum of consecutive naturals, for example, 1132 + ... + 31237.

It is an arithmetic number, because the mean of its divisors is an integer number (121824495).

Almost surely, 2^487250557 is an apocalyptic number.

It is an amenable number.

487250557 is a deficient number, since it is larger than the sum of its proper divisors (47423).

487250557 is a wasteful number, since it uses less digits than its factorization.

487250557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47422.

The product of its (nonzero) digits is 392000, while the sum is 43.

The square root of 487250557 is about 22073.7526714422. The cubic root of 487250557 is about 786.8962000373.

The spelling of 487250557 in words is "four hundred eighty-seven million, two hundred fifty thousand, five hundred fifty-seven".