487919001 has 4 divisors (see below), whose sum is σ = 650558672. Its totient is φ = 325279332.

The previous prime is 487918999. The next prime is 487919011. The reversal of 487919001 is 100919784.

It is a happy number.

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 not a de Polignac number, because 487919001 - 2¹ = 487918999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487919011) 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, 81319831 + ... + 81319836.

It is an arithmetic number, because the mean of its divisors is an integer number (162639668).

Almost surely, 2^487919001 is an apocalyptic number.

It is an amenable number.

487919001 is a deficient number, since it is larger than the sum of its proper divisors (162639671).

487919001 is a wasteful number, since it uses less digits than its factorization.

487919001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162639670.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 487919001 is about 22088.8886320702. Note that the first 3 decimals coincide. The cubic root of 487919001 is about 787.2558751480.

The spelling of 487919001 in words is "four hundred eighty-seven million, nine hundred nineteen thousand, one".