541003021 has 8 divisors (see below), whose sum is σ = 588065184. Its totient is φ = 494718960.

The previous prime is 541003007. The next prime is 541003039. The reversal of 541003021 is 120300145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 541003021 - 2⁵ = 541002989 is a prime.

It is a super-2 number, since 2×541003021² = 585368537462252882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 541002986 and 541003004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541003061) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 193075 + ... + 195856.

It is an arithmetic number, because the mean of its divisors is an integer number (73508148).

Almost surely, 2^541003021 is an apocalyptic number.

It is an amenable number.

541003021 is a deficient number, since it is larger than the sum of its proper divisors (47062163).

541003021 is a wasteful number, since it uses less digits than its factorization.

541003021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389051.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 541003021 is about 23259.4716406027. The cubic root of 541003021 is about 814.8291616274.

Adding to 541003021 its reverse (120300145), we get a palindrome (661303166).

It can be divided in two parts, 54100 and 3021, that added together give a square (57121 = 239²).

The spelling of 541003021 in words is "five hundred forty-one million, three thousand, twenty-one".