1365725 has 6 divisors (see below), whose sum is σ = 1693530. Its totient is φ = 1092560.

The previous prime is 1365719. The next prime is 1365731. The reversal of 1365725 is 5275631.

It is an interprime number because it is at equal distance from previous prime (1365719) and next prime (1365731).

It can be written as a sum of positive squares in 3 ways, for example, as 151321 + 1214404 = 389^2 + 1102^2 .

It is not a de Polignac number, because 1365725 - 2⁴ = 1365709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27290 + ... + 27339.

It is an arithmetic number, because the mean of its divisors is an integer number (282255).

2^1365725 is an apocalyptic number.

It is an amenable number.

1365725 is a deficient number, since it is larger than the sum of its proper divisors (327805).

1365725 is an equidigital number, since it uses as much as digits as its factorization.

1365725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54639 (or 54634 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 1365725 is about 1168.6423747238. The cubic root of 1365725 is about 110.9484109483.

The spelling of 1365725 in words is "one million, three hundred sixty-five thousand, seven hundred twenty-five".