654341885 has 4 divisors (see below), whose sum is σ = 785210268. Its totient is φ = 523473504.

The previous prime is 654341867. The next prime is 654341959. The reversal of 654341885 is 588143456.

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 229734649 + 424607236 = 15157^2 + 20606^2 .

It is a cyclic number.

It is not a de Polignac number, because 654341885 - 2⁸ = 654341629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65434184 + ... + 65434193.

It is an arithmetic number, because the mean of its divisors is an integer number (196302567).

Almost surely, 2^654341885 is an apocalyptic number.

It is an amenable number.

654341885 is a deficient number, since it is larger than the sum of its proper divisors (130868383).

654341885 is a wasteful number, since it uses less digits than its factorization.

654341885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130868382.

The product of its digits is 460800, while the sum is 44.

The square root of 654341885 is about 25580.1072124415. The cubic root of 654341885 is about 868.1636012385.

The spelling of 654341885 in words is "six hundred fifty-four million, three hundred forty-one thousand, eight hundred eighty-five".