541636 has 6 divisors (see below), whose sum is σ = 947870. Its totient is φ = 270816.

The previous prime is 541631. The next prime is 541657. The reversal of 541636 is 636145.

It can be written as a sum of positive squares in only one way, i.e., 476100 + 65536 = 690^2 + 256^2 .

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 541636.

It is not an unprimeable number, because it can be changed into a prime (541631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67701 + ... + 67708.

2⁵⁴¹⁶³⁶ is an apocalyptic number.

It is an amenable number.

541636 is a deficient number, since it is larger than the sum of its proper divisors (406234).

541636 is a wasteful number, since it uses less digits than its factorization.

541636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135413 (or 135411 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 541636 is about 735.9592380017. The cubic root of 541636 is about 81.5146823887.

The spelling of 541636 in words is "five hundred forty-one thousand, six hundred thirty-six".