541997999 has 8 divisors (see below), whose sum is σ = 547038240. Its totient is φ = 536979456.

The previous prime is 541997977. The next prime is 541998001. The reversal of 541997999 is 999799145.

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 a de Polignac number, because none of the positive numbers 2^k-541997999 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 (541997909) 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, 47087 + ... + 57455.

It is an arithmetic number, because the mean of its divisors is an integer number (68379780).

Almost surely, 2^541997999 is an apocalyptic number.

541997999 is a deficient number, since it is larger than the sum of its proper divisors (5040241).

541997999 is a wasteful number, since it uses less digits than its factorization.

541997999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10849.

The product of its digits is 8266860, while the sum is 62.

The square root of 541997999 is about 23280.8504784512. The cubic root of 541997999 is about 815.3283828558.

The spelling of 541997999 in words is "five hundred forty-one million, nine hundred ninety-seven thousand, nine hundred ninety-nine".