541504001 has 4 divisors (see below), whose sum is σ = 558971904. Its totient is φ = 524036100.

The previous prime is 541503959. The next prime is 541504003. The reversal of 541504001 is 100405145.

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 a de Polignac number, because none of the positive numbers 2^k-541504001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541504003) 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, 8733905 + ... + 8733966.

It is an arithmetic number, because the mean of its divisors is an integer number (139742976).

Almost surely, 2^541504001 is an apocalyptic number.

It is an amenable number.

541504001 is a deficient number, since it is larger than the sum of its proper divisors (17467903).

541504001 is a wasteful number, since it uses less digits than its factorization.

541504001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17467902.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 541504001 is about 23270.2385247767. The cubic root of 541504001 is about 815.0806002563.

Adding to 541504001 its reverse (100405145), we get a palindrome (641909146).

The spelling of 541504001 in words is "five hundred forty-one million, five hundred four thousand, one".