487515391 has 8 divisors (see below), whose sum is σ = 532813824. Its totient is φ = 442380120.

The previous prime is 487515361. The next prime is 487515401. The reversal of 487515391 is 193515784.

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 487515391 - 2¹⁷ = 487384319 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 (487515361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34495 + ... + 46528.

It is an arithmetic number, because the mean of its divisors is an integer number (66601728).

Almost surely, 2^487515391 is an apocalyptic number.

487515391 is a deficient number, since it is larger than the sum of its proper divisors (45298433).

487515391 is a wasteful number, since it uses less digits than its factorization.

487515391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81581.

The product of its digits is 151200, while the sum is 43.

The square root of 487515391 is about 22079.7507005854. The cubic root of 487515391 is about 787.0387407488.

The spelling of 487515391 in words is "four hundred eighty-seven million, five hundred fifteen thousand, three hundred ninety-one".