487215149 has 4 divisors (see below), whose sum is σ = 500383164. Its totient is φ = 474047136.

The previous prime is 487215107. The next prime is 487215151. The reversal of 487215149 is 941512784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 237006025 + 250209124 = 15395^2 + 15818^2 .

It is a cyclic number.

It is not a de Polignac number, because 487215149 - 2¹⁶ = 487149613 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 (487215649) 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, 6583952 + ... + 6584025.

It is an arithmetic number, because the mean of its divisors is an integer number (125095791).

Almost surely, 2^487215149 is an apocalyptic number.

It is an amenable number.

487215149 is a deficient number, since it is larger than the sum of its proper divisors (13168015).

487215149 is a wasteful number, since it uses less digits than its factorization.

487215149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13168014.

The product of its digits is 80640, while the sum is 41.

The square root of 487215149 is about 22072.9506183473. The cubic root of 487215149 is about 786.8771385947.

The spelling of 487215149 in words is "four hundred eighty-seven million, two hundred fifteen thousand, one hundred forty-nine".