1541422541 has 2 divisors, whose sum is σ = 1541422542. Its totient is φ = 1541422540.

The previous prime is 1541422513. The next prime is 1541422543. The reversal of 1541422541 is 1452241451.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1367446441 + 173976100 = 36979^2 + 13190^2 .

It is a cyclic number.

It is not a de Polignac number, because 1541422541 - 2²⁶ = 1474313677 is a prime.

Together with 1541422543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1541422543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770711270 + 770711271.

It is an arithmetic number, because the mean of its divisors is an integer number (770711271).

Almost surely, 2^1541422541 is an apocalyptic number.

It is an amenable number.

1541422541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541422541 is an equidigital number, since it uses as much as digits as its factorization.

1541422541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 29.

The square root of 1541422541 is about 39260.9544076555. The cubic root of 1541422541 is about 1155.1558146392.

Adding to 1541422541 its reverse (1452241451), we get a palindrome (2993663992).

The spelling of 1541422541 in words is "one billion, five hundred forty-one million, four hundred twenty-two thousand, five hundred forty-one".