654116403 has 8 divisors (see below), whose sum is σ = 874238400. Its totient is φ = 435036008.

The previous prime is 654116357. The next prime is 654116423. The reversal of 654116403 is 304611456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 654116403 - 2⁶ = 654116339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (654116423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258933 + ... + 261446.

It is an arithmetic number, because the mean of its divisors is an integer number (109279800).

Almost surely, 2^654116403 is an apocalyptic number.

654116403 is a deficient number, since it is larger than the sum of its proper divisors (220121997).

654116403 is a wasteful number, since it uses less digits than its factorization.

654116403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520801.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 654116403 is about 25575.6994625758. The cubic root of 654116403 is about 868.0638685864.

Adding to 654116403 its reverse (304611456), we get a palindrome (958727859).

The spelling of 654116403 in words is "six hundred fifty-four million, one hundred sixteen thousand, four hundred three".