654613231 has 2 divisors, whose sum is σ = 654613232. Its totient is φ = 654613230.

The previous prime is 654613207. The next prime is 654613247. The reversal of 654613231 is 132316456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 654613231 - 2⁷ = 654613103 is a prime.

It is a super-2 number, since 2×654613231² = 857036964400518722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 654613193 and 654613202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654613291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327306615 + 327306616.

It is an arithmetic number, because the mean of its divisors is an integer number (327306616).

Almost surely, 2^654613231 is an apocalyptic number.

654613231 is a deficient number, since it is larger than the sum of its proper divisors (1).

654613231 is an equidigital number, since it uses as much as digits as its factorization.

654613231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 654613231 is about 25585.4105106797. The cubic root of 654613231 is about 868.2835895660.

Adding to 654613231 its reverse (132316456), we get a palindrome (786929687).

The spelling of 654613231 in words is "six hundred fifty-four million, six hundred thirteen thousand, two hundred thirty-one".