1385025 has 24 divisors (see below), whose sum is σ = 2336160. Its totient is φ = 723840.

The previous prime is 1385023. The next prime is 1385039. The reversal of 1385025 is 5205831.

It is not a de Polignac number, because 1385025 - 2¹ = 1385023 is a prime.

It is an Ulam number.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 1384986 and 1385004.

It is not an unprimeable number, because it can be changed into a prime (1385023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4269 + ... + 4581.

It is an arithmetic number, because the mean of its divisors is an integer number (97340).

2^1385025 is an apocalyptic number.

1385025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1385025 is a deficient number, since it is larger than the sum of its proper divisors (951135).

1385025 is a wasteful number, since it uses less digits than its factorization.

1385025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1385025 is about 1176.8708510283. The cubic root of 1385025 is about 111.4685976708.

The spelling of 1385025 in words is "one million, three hundred eighty-five thousand, twenty-five".