1365025 has 6 divisors (see below), whose sum is σ = 1692662. Its totient is φ = 1092000.

The previous prime is 1365019. The next prime is 1365029. The reversal of 1365025 is 5205631.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3136 + 1361889 = 56^2 + 1167^2 .

It is not a de Polignac number, because 1365025 - 2⁷ = 1364897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1364987 and 1365005.

It is not an unprimeable number, because it can be changed into a prime (1365029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27276 + ... + 27325.

2^1365025 is an apocalyptic number.

It is an amenable number.

1365025 is a deficient number, since it is larger than the sum of its proper divisors (327637).

1365025 is an equidigital number, since it uses as much as digits as its factorization.

1365025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54611 (or 54606 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1365025 is about 1168.3428435181. The cubic root of 1365025 is about 110.9294522364.

Subtracting 1365025 from its reverse (5205631), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 1365025 in words is "one million, three hundred sixty-five thousand, twenty-five".