1905065 has 8 divisors (see below), whose sum is σ = 2342088. Its totient is φ = 1486720.

The previous prime is 1905053. The next prime is 1905077. The reversal of 1905065 is 5605091.

It is an interprime number because it is at equal distance from previous prime (1905053) and next prime (1905077).

It can be written as a sum of positive squares in 4 ways, for example, as 85264 + 1819801 = 292^2 + 1349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1905065 - 2⁴ = 1905049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4442 + ... + 4851.

It is an arithmetic number, because the mean of its divisors is an integer number (292761).

2^1905065 is an apocalyptic number.

It is an amenable number.

1905065 is a deficient number, since it is larger than the sum of its proper divisors (437023).

1905065 is an equidigital number, since it uses as much as digits as its factorization.

1905065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9339.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 1905065 is about 1380.2409209989. The cubic root of 1905065 is about 123.9661935243.

Adding to 1905065 its sum of digits (26), we get a palindrome (1905091).

The spelling of 1905065 in words is "one million, nine hundred five thousand, sixty-five".