487426321 has 4 divisors (see below), whose sum is σ = 487916212. Its totient is φ = 486936432.

The previous prime is 487426259. The next prime is 487426333. The reversal of 487426321 is 123624784.

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 332697600 + 154728721 = 18240^2 + 12439^2 .

It is a cyclic number.

It is not a de Polignac number, because 487426321 - 2²⁵ = 453871889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487426351) 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, 243450 + ... + 245443.

It is an arithmetic number, because the mean of its divisors is an integer number (121979053).

Almost surely, 2^487426321 is an apocalyptic number.

It is an amenable number.

487426321 is a deficient number, since it is larger than the sum of its proper divisors (489891).

487426321 is an equidigital number, since it uses as much as digits as its factorization.

487426321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489890.

The product of its digits is 64512, while the sum is 37.

The square root of 487426321 is about 22077.7336019801. The cubic root of 487426321 is about 786.9908066653.

The spelling of 487426321 in words is "four hundred eighty-seven million, four hundred twenty-six thousand, three hundred twenty-one".