546686345 has 4 divisors (see below), whose sum is σ = 656023620. Its totient is φ = 437349072.

The previous prime is 546686321. The next prime is 546686351. The reversal of 546686345 is 543686645.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 296287369 + 250398976 = 17213^2 + 15824^2 .

It is a cyclic number.

It is not a de Polignac number, because 546686345 - 2²⁴ = 529909129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 546686345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54668630 + ... + 54668639.

It is an arithmetic number, because the mean of its divisors is an integer number (164005905).

Almost surely, 2^546686345 is an apocalyptic number.

It is an amenable number.

546686345 is a deficient number, since it is larger than the sum of its proper divisors (109337275).

546686345 is a wasteful number, since it uses less digits than its factorization.

546686345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109337274.

The product of its digits is 2073600, while the sum is 47.

The square root of 546686345 is about 23381.3247058416. The cubic root of 546686345 is about 817.6725319869.

The spelling of 546686345 in words is "five hundred forty-six million, six hundred eighty-six thousand, three hundred forty-five".