654406411 has 4 divisors (see below), whose sum is σ = 654458112. Its totient is φ = 654354712.

The previous prime is 654406349. The next prime is 654406429. The reversal of 654406411 is 114604456.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 654406411 - 2⁷ = 654406283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654406471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7350 + ... + 36916.

It is an arithmetic number, because the mean of its divisors is an integer number (163614528).

Almost surely, 2^654406411 is an apocalyptic number.

654406411 is a deficient number, since it is larger than the sum of its proper divisors (51701).

654406411 is a wasteful number, since it uses less digits than its factorization.

654406411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51700.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 654406411 is about 25581.3684348590. The cubic root of 654406411 is about 868.1921374337.

The spelling of 654406411 in words is "six hundred fifty-four million, four hundred six thousand, four hundred eleven".