487641001 has 4 divisors (see below), whose sum is σ = 487856512. Its totient is φ = 487425492.

The previous prime is 487640987. The next prime is 487641017. The reversal of 487641001 is 100146784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 487641001 - 2⁷ = 487640873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487641031) 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, 104325 + ... + 108898.

It is an arithmetic number, because the mean of its divisors is an integer number (121964128).

Almost surely, 2^487641001 is an apocalyptic number.

It is an amenable number.

487641001 is a deficient number, since it is larger than the sum of its proper divisors (215511).

487641001 is a wasteful number, since it uses less digits than its factorization.

487641001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215510.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 487641001 is about 22082.5949788516. The cubic root of 487641001 is about 787.1063293478.

Adding to 487641001 its reverse (100146784), we get a palindrome (587787785).

The spelling of 487641001 in words is "four hundred eighty-seven million, six hundred forty-one thousand, one".