1377541241 has 2 divisors, whose sum is σ = 1377541242. Its totient is φ = 1377541240.

The previous prime is 1377541183. The next prime is 1377541259. The reversal of 1377541241 is 1421457731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1376113216 + 1428025 = 37096^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377541241 - 2¹⁸ = 1377279097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1377741241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688770620 + 688770621.

It is an arithmetic number, because the mean of its divisors is an integer number (688770621).

Almost surely, 2^1377541241 is an apocalyptic number.

It is an amenable number.

1377541241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377541241 is an equidigital number, since it uses as much as digits as its factorization.

1377541241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 35.

The square root of 1377541241 is about 37115.2427043122. The cubic root of 1377541241 is about 1112.6746745212.

Adding to 1377541241 its reverse (1421457731), we get a palindrome (2798998972).

The spelling of 1377541241 in words is "one billion, three hundred seventy-seven million, five hundred forty-one thousand, two hundred forty-one".