654016085 has 4 divisors (see below), whose sum is σ = 784819308. Its totient is φ = 523212864.

The previous prime is 654016049. The next prime is 654016117. The reversal of 654016085 is 580610456.

It is a happy number.

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 79263409 + 574752676 = 8903^2 + 23974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654016085 is a prime.

It is a Duffinian number.

It is a Curzon 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, 65401604 + ... + 65401613.

It is an arithmetic number, because the mean of its divisors is an integer number (196204827).

Almost surely, 2^654016085 is an apocalyptic number.

It is an amenable number.

654016085 is a deficient number, since it is larger than the sum of its proper divisors (130803223).

654016085 is a wasteful number, since it uses less digits than its factorization.

654016085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130803222.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 654016085 is about 25573.7381897915. The cubic root of 654016085 is about 868.0194896945.

The spelling of 654016085 in words is "six hundred fifty-four million, sixteen thousand, eighty-five".