1385411425 has 6 divisors (see below), whose sum is σ = 1717910198. Its totient is φ = 1108329120.

The previous prime is 1385411407. The next prime is 1385411477. The reversal of 1385411425 is 5241145831.

It can be written as a sum of positive squares in 3 ways, for example, as 12931216 + 1372480209 = 3596^2 + 37047^2 .

It is not a de Polignac number, because 1385411425 - 2¹⁹ = 1384887137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27708204 + ... + 27708253.

Almost surely, 2^1385411425 is an apocalyptic number.

It is an amenable number.

1385411425 is a deficient number, since it is larger than the sum of its proper divisors (332498773).

1385411425 is an equidigital number, since it uses as much as digits as its factorization.

1385411425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55416467 (or 55416462 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 1385411425 is about 37221.1153110704. The cubic root of 1385411425 is about 1114.7896336758.

The spelling of 1385411425 in words is "one billion, three hundred eighty-five million, four hundred eleven thousand, four hundred twenty-five".