487216361 has 4 divisors (see below), whose sum is σ = 489767424. Its totient is φ = 484665300.

The previous prime is 487216357. The next prime is 487216369. The reversal of 487216361 is 163612784.

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 487216361 - 2² = 487216357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487216369) 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, 1275245 + ... + 1275626.

It is an arithmetic number, because the mean of its divisors is an integer number (122441856).

Almost surely, 2^487216361 is an apocalyptic number.

It is an amenable number.

487216361 is a deficient number, since it is larger than the sum of its proper divisors (2551063).

487216361 is a wasteful number, since it uses less digits than its factorization.

487216361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551062.

The product of its digits is 48384, while the sum is 38.

The square root of 487216361 is about 22072.9780727477. The cubic root of 487216361 is about 786.8777910746.

The spelling of 487216361 in words is "four hundred eighty-seven million, two hundred sixteen thousand, three hundred sixty-one".