1365625 has 24 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 990000.

The previous prime is 1365583. The next prime is 1365659. The reversal of 1365625 is 5265631.

It is not a de Polignac number, because 1365625 - 2¹¹ = 1363577 is a prime.

It is a nialpdrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 1365593 and 1365602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59364 + ... + 59386.

It is an arithmetic number, because the mean of its divisors is an integer number (78120).

2^1365625 is an apocalyptic number.

1365625 is the 625-th nonagonal number.

It is an amenable number.

1365625 is a deficient number, since it is larger than the sum of its proper divisors (509255).

1365625 is an frugal number, since it uses more digits than its factorization.

1365625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 47 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 1365625 is about 1168.5995892520. The cubic root of 1365625 is about 110.9457029575.

The spelling of 1365625 in words is "one million, three hundred sixty-five thousand, six hundred twenty-five".