546626605 has 12 divisors (see below), whose sum is σ = 763046460. Its totient is φ = 374829504.

The previous prime is 546626603. The next prime is 546626611. The reversal of 546626605 is 506626645.

It can be written as a sum of positive squares in 2 ways, for example, as 209757289 + 336869316 = 14483^2 + 18354^2 .

It is not a de Polignac number, because 546626605 - 2¹ = 546626603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546626603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1115320 + ... + 1115809.

It is an arithmetic number, because the mean of its divisors is an integer number (63587205).

Almost surely, 2^546626605 is an apocalyptic number.

It is an amenable number.

546626605 is a deficient number, since it is larger than the sum of its proper divisors (216419855).

546626605 is a wasteful number, since it uses less digits than its factorization.

546626605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231148 (or 2231141 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 546626605 is about 23380.0471556411. The cubic root of 546626605 is about 817.6427467564.

Adding to 546626605 its sum of digits (40), we get a palindrome (546626645).

The spelling of 546626605 in words is "five hundred forty-six million, six hundred twenty-six thousand, six hundred five".