487648513 has 6 divisors (see below), whose sum is σ = 536010482. Its totient is φ = 443316720.

The previous prime is 487648501. The next prime is 487648523. The reversal of 487648513 is 315846784.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 403889409 + 83759104 = 20097^2 + 9152^2 .

It is a de Polignac number, because none of the positive numbers 2^k-487648513 is a prime.

It is a super-2 number, since 2×487648513² = 475602144462222338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487648523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2014956 + ... + 2015197.

Almost surely, 2^487648513 is an apocalyptic number.

It is an amenable number.

487648513 is a deficient number, since it is larger than the sum of its proper divisors (48361969).

487648513 is a wasteful number, since it uses less digits than its factorization.

487648513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030175 (or 4030164 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 487648513 is about 22082.7650669023. The cubic root of 487648513 is about 787.1103710591.

The spelling of 487648513 in words is "four hundred eighty-seven million, six hundred forty-eight thousand, five hundred thirteen".