487434613 has 2 divisors, whose sum is σ = 487434614. Its totient is φ = 487434612.

The previous prime is 487434583. The next prime is 487434617. The reversal of 487434613 is 316434784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453817809 + 33616804 = 21303^2 + 5798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487434613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487434617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243717306 + 243717307.

It is an arithmetic number, because the mean of its divisors is an integer number (243717307).

Almost surely, 2^487434613 is an apocalyptic number.

It is an amenable number.

487434613 is a deficient number, since it is larger than the sum of its proper divisors (1).

487434613 is an equidigital number, since it uses as much as digits as its factorization.

487434613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 40.

The square root of 487434613 is about 22077.9213921963. The cubic root of 487434613 is about 786.9952693506.

The spelling of 487434613 in words is "four hundred eighty-seven million, four hundred thirty-four thousand, six hundred thirteen".