1385725 has 12 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 1007600.

The previous prime is 1385693. The next prime is 1385743. The reversal of 1385725 is 5275831.

It is not a de Polignac number, because 1385725 - 2⁵ = 1385693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2245 + ... + 2794.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

2^1385725 is an apocalyptic number.

It is an amenable number.

1385725 is a deficient number, since it is larger than the sum of its proper divisors (489155).

1385725 is a wasteful number, since it uses less digits than its factorization.

1385725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5055 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 1385725 is about 1177.1682122789. The cubic root of 1385725 is about 111.4873734755.

The spelling of 1385725 in words is "one million, three hundred eighty-five thousand, seven hundred twenty-five".