487421285 has 8 divisors (see below), whose sum is σ = 629898360. Its totient is φ = 359941824.

The previous prime is 487421213. The next prime is 487421287. The reversal of 487421285 is 582124784.

It can be written as a sum of positive squares in 4 ways, for example, as 6145441 + 481275844 = 2479^2 + 21938^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 487421285 - 2¹⁰ = 487420261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487421287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3749330 + ... + 3749459.

It is an arithmetic number, because the mean of its divisors is an integer number (78737295).

Almost surely, 2^487421285 is an apocalyptic number.

It is an amenable number.

487421285 is a deficient number, since it is larger than the sum of its proper divisors (142477075).

487421285 is a wasteful number, since it uses less digits than its factorization.

487421285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7498807.

The product of its digits is 143360, while the sum is 41.

The square root of 487421285 is about 22077.6195501236. The cubic root of 487421285 is about 786.9880963074.

The spelling of 487421285 in words is "four hundred eighty-seven million, four hundred twenty-one thousand, two hundred eighty-five".