541000646 has 4 divisors (see below), whose sum is σ = 811500972. Its totient is φ = 270500322.

The previous prime is 541000637. The next prime is 541000657. The reversal of 541000646 is 646000145.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 135250160 + ... + 135250163.

It is an arithmetic number, because the mean of its divisors is an integer number (202875243).

Almost surely, 2^541000646 is an apocalyptic number.

541000646 is a deficient number, since it is larger than the sum of its proper divisors (270500326).

541000646 is a wasteful number, since it uses less digits than its factorization.

541000646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270500325.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 541000646 is about 23259.4205860765. The cubic root of 541000646 is about 814.8279692606.

The spelling of 541000646 in words is "five hundred forty-one million, six hundred forty-six", and thus it is an aban number.