654315799 has 4 divisors (see below), whose sum is σ = 682764336. Its totient is φ = 625867264.

The previous prime is 654315763. The next prime is 654315803. The reversal of 654315799 is 997513456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 654315799 - 2⁹ = 654315287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654315709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14224234 + ... + 14224279.

It is an arithmetic number, because the mean of its divisors is an integer number (170691084).

Almost surely, 2^654315799 is an apocalyptic number.

654315799 is a deficient number, since it is larger than the sum of its proper divisors (28448537).

654315799 is a wasteful number, since it uses less digits than its factorization.

654315799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28448536.

The product of its digits is 1020600, while the sum is 49.

The square root of 654315799 is about 25579.5973189572. The cubic root of 654315799 is about 868.1520643457.

The spelling of 654315799 in words is "six hundred fifty-four million, three hundred fifteen thousand, seven hundred ninety-nine".