1385425 has 12 divisors (see below), whose sum is σ = 1734016. Its totient is φ = 1098000.

The previous prime is 1385411. The next prime is 1385429. The reversal of 1385425 is 5245831.

It is not a de Polignac number, because 1385425 - 2⁵ = 1385393 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1385393 and 1385402.

It is not an unprimeable number, because it can be changed into a prime (1385429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3592 + ... + 3958.

2^1385425 is an apocalyptic number.

It is an amenable number.

1385425 is a deficient number, since it is larger than the sum of its proper divisors (348591).

1385425 is a wasteful number, since it uses less digits than its factorization.

1385425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 523 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 1385425 is about 1177.0407809418. The cubic root of 1385425 is about 111.4793274765.

Subtracting from 1385425 its product of digits (4800), we obtain a square (1380625 = 1175²).

The spelling of 1385425 in words is "one million, three hundred eighty-five thousand, four hundred twenty-five".