1385353271 has 2 divisors, whose sum is σ = 1385353272. Its totient is φ = 1385353270.

The previous prime is 1385353259. The next prime is 1385353279. The reversal of 1385353271 is 1723535831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1385353271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1385353279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692676635 + 692676636.

It is an arithmetic number, because the mean of its divisors is an integer number (692676636).

Almost surely, 2^1385353271 is an apocalyptic number.

1385353271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385353271 is an equidigital number, since it uses as much as digits as its factorization.

1385353271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 1385353271 is about 37220.3341065069. The cubic root of 1385353271 is about 1114.7740353290.

The spelling of 1385353271 in words is "one billion, three hundred eighty-five million, three hundred fifty-three thousand, two hundred seventy-one".