541636001 has 2 divisors, whose sum is σ = 541636002. Its totient is φ = 541636000.

The previous prime is 541635979. The next prime is 541636063. The reversal of 541636001 is 100636145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497067025 + 44568976 = 22295^2 + 6676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541636001 is a prime.

It is not a weakly prime, because it can be changed into another prime (541636091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270818000 + 270818001.

It is an arithmetic number, because the mean of its divisors is an integer number (270818001).

Almost surely, 2^541636001 is an apocalyptic number.

It is an amenable number.

541636001 is a deficient number, since it is larger than the sum of its proper divisors (1).

541636001 is an equidigital number, since it uses as much as digits as its factorization.

541636001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 541636001 is about 23273.0745927563. The cubic root of 541636001 is about 815.1468243888.

The spelling of 541636001 in words is "five hundred forty-one million, six hundred thirty-six thousand, one".