1388325 has 24 divisors (see below), whose sum is σ = 2330208. Its totient is φ = 729280.

The previous prime is 1388323. The next prime is 1388327. The reversal of 1388325 is 5238831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1388323) and next prime (1388327).

It is not a de Polignac number, because 1388325 - 2¹ = 1388323 is a prime.

Its product of digits (5760) is a multiple of the sum of its prime divisors (288).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1388292 and 1388301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7939 + ... + 8111.

It is an arithmetic number, because the mean of its divisors is an integer number (97092).

2^1388325 is an apocalyptic number.

1388325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1388325 is a deficient number, since it is larger than the sum of its proper divisors (941883).

1388325 is a wasteful number, since it uses less digits than its factorization.

1388325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 288 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1388325 is about 1178.2720398957. The cubic root of 1388325 is about 111.5570568710.

The spelling of 1388325 in words is "one million, three hundred eighty-eight thousand, three hundred twenty-five".