654046231 has 2 divisors, whose sum is σ = 654046232. Its totient is φ = 654046230.

The previous prime is 654046199. The next prime is 654046241. The reversal of 654046231 is 132640456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 654046231 - 2⁵ = 654046199 is a prime.

It is a super-2 number, since 2×654046231² = 855552944570610722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 654046193 and 654046202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654046241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327023115 + 327023116.

It is an arithmetic number, because the mean of its divisors is an integer number (327023116).

Almost surely, 2^654046231 is an apocalyptic number.

654046231 is a deficient number, since it is larger than the sum of its proper divisors (1).

654046231 is an equidigital number, since it uses as much as digits as its factorization.

654046231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 654046231 is about 25574.3275766930. The cubic root of 654046231 is about 868.0328262236.

Adding to 654046231 its reverse (132640456), we get a palindrome (786686687).

The spelling of 654046231 in words is "six hundred fifty-four million, forty-six thousand, two hundred thirty-one".