1365000025 has 12 divisors (see below), whose sum is σ = 1696522492. Its totient is φ = 1089469440.

The previous prime is 1365000019. The next prime is 1365000037. The reversal of 1365000025 is 5200005631.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 233081289 + 1131918736 = 15267^2 + 33644^2 .

It is not a de Polignac number, because 1365000025 - 2³ = 1365000017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52224 + ... + 73873.

Almost surely, 2^1365000025 is an apocalyptic number.

It is an amenable number.

1365000025 is a deficient number, since it is larger than the sum of its proper divisors (331522467).

1365000025 is a wasteful number, since it uses less digits than its factorization.

1365000025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126540 (or 126535 counting only the distinct ones).

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

The square root of 1365000025 is about 36945.9067421548. The cubic root of 1365000025 is about 1109.2877569692.

Adding to 1365000025 its reverse (5200005631), we get a palindrome (6565005656).

The spelling of 1365000025 in words is "one billion, three hundred sixty-five million, twenty-five", and thus it is an aban number.