546572149 has 2 divisors, whose sum is σ = 546572150. Its totient is φ = 546572148.

The previous prime is 546572141. The next prime is 546572179. The reversal of 546572149 is 941275645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401200900 + 145371249 = 20030^2 + 12057^2 .

It is a cyclic number.

It is not a de Polignac number, because 546572149 - 2³ = 546572141 is a prime.

It is a super-2 number, since 2×546572149² = 597482228124956402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546572141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273286074 + 273286075.

It is an arithmetic number, because the mean of its divisors is an integer number (273286075).

Almost surely, 2^546572149 is an apocalyptic number.

It is an amenable number.

546572149 is a deficient number, since it is larger than the sum of its proper divisors (1).

546572149 is an equidigital number, since it uses as much as digits as its factorization.

546572149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 43.

The square root of 546572149 is about 23378.8825438685. The cubic root of 546572149 is about 817.6155941372.

The spelling of 546572149 in words is "five hundred forty-six million, five hundred seventy-two thousand, one hundred forty-nine".