541002401 has 4 divisors (see below), whose sum is σ = 542176404. Its totient is φ = 539828400.

The previous prime is 541002391. The next prime is 541002439. The reversal of 541002401 is 104200145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 309232225 + 231770176 = 17585^2 + 15224^2 .

It is a cyclic number.

It is not a de Polignac number, because 541002401 - 2¹⁸ = 540740257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 541002401.

It is not an unprimeable number, because it can be changed into a prime (541002901) 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, 586310 + ... + 587231.

It is an arithmetic number, because the mean of its divisors is an integer number (135544101).

Almost surely, 2^541002401 is an apocalyptic number.

It is an amenable number.

541002401 is a deficient number, since it is larger than the sum of its proper divisors (1174003).

541002401 is a wasteful number, since it uses less digits than its factorization.

541002401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174002.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 541002401 is about 23259.4583126951. The cubic root of 541002401 is about 814.8288503572.

Adding to 541002401 its reverse (104200145), we get a palindrome (645202546).

The spelling of 541002401 in words is "five hundred forty-one million, two thousand, four hundred one".