1368025 has 6 divisors (see below), whose sum is σ = 1696382. Its totient is φ = 1094400.

The previous prime is 1368013. The next prime is 1368053. The reversal of 1368025 is 5208631.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 175561 + 1192464 = 419^2 + 1092^2 .

It is not a de Polignac number, because 1368025 - 2¹¹ = 1365977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 54721 = 1368025 / (1 + 3 + 6 + 8 + 0 + 2 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27336 + ... + 27385.

2^1368025 is an apocalyptic number.

It is an amenable number.

1368025 is a deficient number, since it is larger than the sum of its proper divisors (328357).

1368025 is an equidigital number, since it uses as much as digits as its factorization.

1368025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54731 (or 54726 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1368025 is about 1169.6260086027. The cubic root of 1368025 is about 111.0106582845.

Subtracting 1368025 from its reverse (5208631), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 1368025 in words is "one million, three hundred sixty-eight thousand, twenty-five".