1375864097 has 2 divisors, whose sum is σ = 1375864098. Its totient is φ = 1375864096.

The previous prime is 1375864073. The next prime is 1375864109. The reversal of 1375864097 is 7904685731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1374629776 + 1234321 = 37076^2 + 1111^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375864097 - 2¹⁶ = 1375798561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1375864037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687932048 + 687932049.

It is an arithmetic number, because the mean of its divisors is an integer number (687932049).

Almost surely, 2^1375864097 is an apocalyptic number.

It is an amenable number.

1375864097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375864097 is an equidigital number, since it uses as much as digits as its factorization.

1375864097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 1375864097 is about 37092.6420870771. The cubic root of 1375864097 is about 1112.2229340245. Note that the first 3 decimals are identical.

The spelling of 1375864097 in words is "one billion, three hundred seventy-five million, eight hundred sixty-four thousand, ninety-seven".