541001501 has 2 divisors, whose sum is σ = 541001502. Its totient is φ = 541001500.

The previous prime is 541001477. The next prime is 541001507. The reversal of 541001501 is 105100145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509585476 + 31416025 = 22574^2 + 5605^2 .

It is a cyclic number.

It is not a de Polignac number, because 541001501 - 2¹⁰ = 541000477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 541001501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541001507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270500750 + 270500751.

It is an arithmetic number, because the mean of its divisors is an integer number (270500751).

Almost surely, 2^541001501 is an apocalyptic number.

It is an amenable number.

541001501 is a deficient number, since it is larger than the sum of its proper divisors (1).

541001501 is an equidigital number, since it uses as much as digits as its factorization.

541001501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 541001501 is about 23259.4389657188. The cubic root of 541001501 is about 814.8283985130.

Adding to 541001501 its reverse (105100145), we get a palindrome (646101646).

The spelling of 541001501 in words is "five hundred forty-one million, one thousand, five hundred one".