546332231 has 2 divisors, whose sum is σ = 546332232. Its totient is φ = 546332230.

The previous prime is 546332221. The next prime is 546332261. The reversal of 546332231 is 132233645.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546332231 is a prime.

It is a super-2 number, since 2×546332231² = 596957813258874722, 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 = 546332194 and 546332203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546332201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273166115 + 273166116.

It is an arithmetic number, because the mean of its divisors is an integer number (273166116).

Almost surely, 2^546332231 is an apocalyptic number.

546332231 is a deficient number, since it is larger than the sum of its proper divisors (1).

546332231 is an equidigital number, since it uses as much as digits as its factorization.

546332231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

The square root of 546332231 is about 23373.7508971068. The cubic root of 546332231 is about 817.4959457632.

Adding to 546332231 its reverse (132233645), we get a palindrome (678565876).

The spelling of 546332231 in words is "five hundred forty-six million, three hundred thirty-two thousand, two hundred thirty-one".