1375297241 has 2 divisors, whose sum is σ = 1375297242. Its totient is φ = 1375297240.

The previous prime is 1375297111. The next prime is 1375297249. The reversal of 1375297241 is 1427925731.

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., 1375297225 + 16 = 37085^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375297241 - 2¹⁰ = 1375296217 is a prime.

It is a super-2 number, since 2×1375297241² = 3782885002204424162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1375297249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687648620 + 687648621.

It is an arithmetic number, because the mean of its divisors is an integer number (687648621).

Almost surely, 2^1375297241 is an apocalyptic number.

It is an amenable number.

1375297241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375297241 is an equidigital number, since it uses as much as digits as its factorization.

1375297241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 1375297241 is about 37085.0002157206. Note that the first 3 decimals coincide. The cubic root of 1375297241 is about 1112.0701677619.

The spelling of 1375297241 in words is "one billion, three hundred seventy-five million, two hundred ninety-seven thousand, two hundred forty-one".