546587921 has 8 divisors (see below), whose sum is σ = 610145184. Its totient is φ = 485341920.

The previous prime is 546587917. The next prime is 546587959. The reversal of 546587921 is 129785645.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 546587921 - 2² = 546587917 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (546587971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577316 + ... + 578261.

It is an arithmetic number, because the mean of its divisors is an integer number (76268148).

Almost surely, 2^546587921 is an apocalyptic number.

It is an amenable number.

546587921 is a deficient number, since it is larger than the sum of its proper divisors (63557263).

546587921 is a wasteful number, since it uses less digits than its factorization.

546587921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155631.

The product of its digits is 604800, while the sum is 47.

The square root of 546587921 is about 23379.2198543921. The cubic root of 546587921 is about 817.6234584903.

The spelling of 546587921 in words is "five hundred forty-six million, five hundred eighty-seven thousand, nine hundred twenty-one".