1541194441 has 2 divisors, whose sum is σ = 1541194442. Its totient is φ = 1541194440.

The previous prime is 1541194439. The next prime is 1541194507. The reversal of 1541194441 is 1444911451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1240518841 + 300675600 = 35221^2 + 17340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1541194441 - 2¹ = 1541194439 is a prime.

Together with 1541194439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1541194397 and 1541194406.

It is not a weakly prime, because it can be changed into another prime (1541104441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770597220 + 770597221.

It is an arithmetic number, because the mean of its divisors is an integer number (770597221).

It is a self-describing number.

Almost surely, 2^1541194441 is an apocalyptic number.

It is an amenable number.

1541194441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541194441 is an equidigital number, since it uses as much as digits as its factorization.

1541194441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 34.

The square root of 1541194441 is about 39258.0493784396. The cubic root of 1541194441 is about 1155.0988317695.

The spelling of 1541194441 in words is "one billion, five hundred forty-one million, one hundred ninety-four thousand, four hundred forty-one".