543486997 has 4 divisors (see below), whose sum is σ = 544968256. Its totient is φ = 542005740.

The previous prime is 543486953. The next prime is 543487031. The reversal of 543486997 is 799684345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 543486997 - 2¹⁹ = 542962709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543486907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740079 + ... + 740812.

It is an arithmetic number, because the mean of its divisors is an integer number (136242064).

Almost surely, 2^543486997 is an apocalyptic number.

It is an amenable number.

543486997 is a deficient number, since it is larger than the sum of its proper divisors (1481259).

543486997 is a wasteful number, since it uses less digits than its factorization.

543486997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481258.

The product of its digits is 6531840, while the sum is 55.

The square root of 543486997 is about 23312.8075743785. The cubic root of 543486997 is about 816.0743341268.

The spelling of 543486997 in words is "five hundred forty-three million, four hundred eighty-six thousand, nine hundred ninety-seven".