1381351417 has 2 divisors, whose sum is σ = 1381351418. Its totient is φ = 1381351416.

The previous prime is 1381351381. The next prime is 1381351421. The reversal of 1381351417 is 7141531831.

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., 1200206736 + 181144681 = 34644^2 + 13459^2 .

It is a cyclic number.

It is not a de Polignac number, because 1381351417 - 2¹¹ = 1381349369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1381351427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690675708 + 690675709.

It is an arithmetic number, because the mean of its divisors is an integer number (690675709).

Almost surely, 2^1381351417 is an apocalyptic number.

It is an amenable number.

1381351417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381351417 is an equidigital number, since it uses as much as digits as its factorization.

1381351417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 34.

The square root of 1381351417 is about 37166.5362523870. The cubic root of 1381351417 is about 1113.6995884546.

The spelling of 1381351417 in words is "one billion, three hundred eighty-one million, three hundred fifty-one thousand, four hundred seventeen".