487273529 has 4 divisors (see below), whose sum is σ = 487714020. Its totient is φ = 486833040.

The previous prime is 487273511. The next prime is 487273537. The reversal of 487273529 is 925372784.

It is a happy number.

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 43033600 + 444239929 = 6560^2 + 21077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487273529 is a prime.

It is a super-2 number, since 2×487273529² = 474870984128227682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487273559) 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, 218582 + ... + 220799.

It is an arithmetic number, because the mean of its divisors is an integer number (121928505).

Almost surely, 2^487273529 is an apocalyptic number.

It is an amenable number.

487273529 is a deficient number, since it is larger than the sum of its proper divisors (440491).

487273529 is a wasteful number, since it uses less digits than its factorization.

487273529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440490.

The product of its digits is 846720, while the sum is 47.

The square root of 487273529 is about 22074.2730118117. The cubic root of 487273529 is about 786.9085662249.

The spelling of 487273529 in words is "four hundred eighty-seven million, two hundred seventy-three thousand, five hundred twenty-nine".