3541221341501 has 2 divisors, whose sum is σ = 3541221341502. Its totient is φ = 3541221341500.

The previous prime is 3541221341473. The next prime is 3541221341507. The reversal of 3541221341501 is 1051431221453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3288604529401 + 252616812100 = 1813451^2 + 502610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3541221341501 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3541221341507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770610670750 + 1770610670751.

It is an arithmetic number, because the mean of its divisors is an integer number (1770610670751).

Almost surely, 2^{3541221341501} is an apocalyptic number.

It is an amenable number.

3541221341501 is a deficient number, since it is larger than the sum of its proper divisors (1).

3541221341501 is an equidigital number, since it uses as much as digits as its factorization.

3541221341501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 3541221341501 its reverse (1051431221453), we get a palindrome (4592652562954).

The spelling of 3541221341501 in words is "three trillion, five hundred forty-one billion, two hundred twenty-one million, three hundred forty-one thousand, five hundred one".