1481765 has 4 divisors (see below), whose sum is σ = 1778124. Its totient is φ = 1185408.

The previous prime is 1481759. The next prime is 1481773. The reversal of 1481765 is 5671841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 564001 + 917764 = 751^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481765 - 2⁴ = 1481749 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 148172 + ... + 148181.

It is an arithmetic number, because the mean of its divisors is an integer number (444531).

2^1481765 is an apocalyptic number.

It is an amenable number.

1481765 is a deficient number, since it is larger than the sum of its proper divisors (296359).

1481765 is an equidigital number, since it uses as much as digits as its factorization.

1481765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296358.

The product of its digits is 6720, while the sum is 32.

The square root of 1481765 is about 1217.2777004447. The cubic root of 1481765 is about 114.0056681290.

The spelling of 1481765 in words is "one million, four hundred eighty-one thousand, seven hundred sixty-five".