487193549 has 2 divisors, whose sum is σ = 487193550. Its totient is φ = 487193548.

The previous prime is 487193527. The next prime is 487193557. The reversal of 487193549 is 945391784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341991049 + 145202500 = 18493^2 + 12050^2 .

It is a cyclic number.

It is not a de Polignac number, because 487193549 - 2²⁸ = 218758093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 487193497 and 487193506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487153549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243596774 + 243596775.

It is an arithmetic number, because the mean of its divisors is an integer number (243596775).

Almost surely, 2^487193549 is an apocalyptic number.

It is an amenable number.

487193549 is a deficient number, since it is larger than the sum of its proper divisors (1).

487193549 is an equidigital number, since it uses as much as digits as its factorization.

487193549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 487193549 is about 22072.4613262771. The cubic root of 487193549 is about 786.8655100582.

The spelling of 487193549 in words is "four hundred eighty-seven million, one hundred ninety-three thousand, five hundred forty-nine".