1165025 has 6 divisors (see below), whose sum is σ = 1444662. Its totient is φ = 932000.

The previous prime is 1165001. The next prime is 1165037. The reversal of 1165025 is 5205611.

It can be written as a sum of positive squares in 3 ways, for example, as 784 + 1164241 = 28^2 + 1079^2 .

It is not a de Polignac number, because 1165025 - 2¹⁰ = 1164001 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1164988 and 1165006.

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, 23276 + ... + 23325.

It is an arithmetic number, because the mean of its divisors is an integer number (240777).

2^1165025 is an apocalyptic number.

It is an amenable number.

1165025 is a deficient number, since it is larger than the sum of its proper divisors (279637).

1165025 is an equidigital number, since it uses as much as digits as its factorization.

1165025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46611 (or 46606 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1165025 is about 1079.3632382104. The cubic root of 1165025 is about 105.2232588917.

The spelling of 1165025 in words is "one million, one hundred sixty-five thousand, twenty-five".