546428291 has 2 divisors, whose sum is σ = 546428292. Its totient is φ = 546428290.

The previous prime is 546428249. The next prime is 546428303. The reversal of 546428291 is 192824645.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546428291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (546428221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273214145 + 273214146.

It is an arithmetic number, because the mean of its divisors is an integer number (273214146).

Almost surely, 2^546428291 is an apocalyptic number.

546428291 is a deficient number, since it is larger than the sum of its proper divisors (1).

546428291 is an equidigital number, since it uses as much as digits as its factorization.

546428291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 546428291 is about 23375.8056759548. The cubic root of 546428291 is about 817.5438555966.

The spelling of 546428291 in words is "five hundred forty-six million, four hundred twenty-eight thousand, two hundred ninety-one".