1385282513 has 2 divisors, whose sum is σ = 1385282514. Its totient is φ = 1385282512.

The previous prime is 1385282497. The next prime is 1385282551. The reversal of 1385282513 is 3152825831.

It is an a-pointer prime, because the next prime (1385282551) can be obtained adding 1385282513 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 701826064 + 683456449 = 26492^2 + 26143^2 .

It is a cyclic number.

It is not a de Polignac number, because 1385282513 - 2⁴ = 1385282497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1385282593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692641256 + 692641257.

It is an arithmetic number, because the mean of its divisors is an integer number (692641257).

Almost surely, 2^1385282513 is an apocalyptic number.

It is an amenable number.

1385282513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385282513 is an equidigital number, since it uses as much as digits as its factorization.

1385282513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 38.

The square root of 1385282513 is about 37219.3835655563. The cubic root of 1385282513 is about 1114.7550556878.

The spelling of 1385282513 in words is "one billion, three hundred eighty-five million, two hundred eighty-two thousand, five hundred thirteen".