654474487 has 2 divisors, whose sum is σ = 654474488. Its totient is φ = 654474486.

The previous prime is 654474481. The next prime is 654474529. The reversal of 654474487 is 784474456.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654474487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 654474487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654474481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327237243 + 327237244.

It is an arithmetic number, because the mean of its divisors is an integer number (327237244).

Almost surely, 2^654474487 is an apocalyptic number.

654474487 is a deficient number, since it is larger than the sum of its proper divisors (1).

654474487 is an equidigital number, since it uses as much as digits as its factorization.

654474487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3010560, while the sum is 49.

The square root of 654474487 is about 25582.6989780203. The cubic root of 654474487 is about 868.2222415594. Note that the first 4 decimals are identical.

The spelling of 654474487 in words is "six hundred fifty-four million, four hundred seventy-four thousand, four hundred eighty-seven".