487582493 has 4 divisors (see below), whose sum is σ = 488028060. Its totient is φ = 487136928.

The previous prime is 487582441. The next prime is 487582499. The reversal of 487582493 is 394285784.

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

It can be written as a sum of positive squares in 2 ways, for example, as 327863449 + 159719044 = 18107^2 + 12638^2 .

It is a cyclic number.

It is not a de Polignac number, because 487582493 - 2¹⁰ = 487581469 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 (487582499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221138 + ... + 223331.

It is an arithmetic number, because the mean of its divisors is an integer number (122007015).

Almost surely, 2^487582493 is an apocalyptic number.

It is an amenable number.

487582493 is a deficient number, since it is larger than the sum of its proper divisors (445567).

487582493 is a wasteful number, since it uses less digits than its factorization.

487582493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445566.

The product of its digits is 1935360, while the sum is 50.

The square root of 487582493 is about 22081.2701853856. The cubic root of 487582493 is about 787.0748486349.

The spelling of 487582493 in words is "four hundred eighty-seven million, five hundred eighty-two thousand, four hundred ninety-three".