546998197 has 2 divisors, whose sum is σ = 546998198. Its totient is φ = 546998196.

The previous prime is 546998161. The next prime is 546998209. The reversal of 546998197 is 791899645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 456634161 + 90364036 = 21369^2 + 9506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546998197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546998797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273499098 + 273499099.

It is an arithmetic number, because the mean of its divisors is an integer number (273499099).

Almost surely, 2^546998197 is an apocalyptic number.

It is an amenable number.

546998197 is a deficient number, since it is larger than the sum of its proper divisors (1).

546998197 is an equidigital number, since it uses as much as digits as its factorization.

546998197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 58.

The square root of 546998197 is about 23387.9925816646. The cubic root of 546998197 is about 817.8279802594.

The spelling of 546998197 in words is "five hundred forty-six million, nine hundred ninety-eight thousand, one hundred ninety-seven".