654231059 has 4 divisors (see below), whose sum is σ = 654282216. Its totient is φ = 654179904.

The previous prime is 654231029. The next prime is 654231073. The reversal of 654231059 is 950132456.

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 654231059 - 2⁸ = 654230803 is a prime.

It is a super-2 number, since 2×654231059² = 856036557120522962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654231029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12707 + ... + 38339.

It is an arithmetic number, because the mean of its divisors is an integer number (163570554).

Almost surely, 2^654231059 is an apocalyptic number.

654231059 is a deficient number, since it is larger than the sum of its proper divisors (51157).

654231059 is a wasteful number, since it uses less digits than its factorization.

654231059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51156.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 654231059 is about 25577.9408670831. The cubic root of 654231059 is about 868.1145847972.

The spelling of 654231059 in words is "six hundred fifty-four million, two hundred thirty-one thousand, fifty-nine".