546424781 has 8 divisors (see below), whose sum is σ = 657353280. Its totient is φ = 443713248.

The previous prime is 546424709. The next prime is 546424789. The reversal of 546424781 is 187424645.

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 546424781 - 2¹⁸ = 546162637 is a prime.

It is a super-2 number, since 2×546424781² = 597160082581795922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546424789) 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, 2054096 + ... + 2054361.

It is an arithmetic number, because the mean of its divisors is an integer number (82169160).

Almost surely, 2^546424781 is an apocalyptic number.

It is an amenable number.

546424781 is a deficient number, since it is larger than the sum of its proper divisors (110928499).

546424781 is a wasteful number, since it uses less digits than its factorization.

546424781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108483.

The product of its digits is 215040, while the sum is 41.

The square root of 546424781 is about 23375.7305982080. The cubic root of 546424781 is about 817.5421050863.

The spelling of 546424781 in words is "five hundred forty-six million, four hundred twenty-four thousand, seven hundred eighty-one".