546777331 has 2 divisors, whose sum is σ = 546777332. Its totient is φ = 546777330.

The previous prime is 546777323. The next prime is 546777347. The reversal of 546777331 is 133777645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 546777331 - 2³ = 546777323 is a prime.

It is a super-2 number, since 2×546777331² = 597930899390967122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (546777391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273388665 + 273388666.

It is an arithmetic number, because the mean of its divisors is an integer number (273388666).

Almost surely, 2^546777331 is an apocalyptic number.

546777331 is a deficient number, since it is larger than the sum of its proper divisors (1).

546777331 is an equidigital number, since it uses as much as digits as its factorization.

546777331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370440, while the sum is 43.

The square root of 546777331 is about 23383.2703230322. The cubic root of 546777331 is about 817.7178917115.

The spelling of 546777331 in words is "five hundred forty-six million, seven hundred seventy-seven thousand, three hundred thirty-one".