8401265 has 4 divisors (see below), whose sum is σ = 10081524. Its totient is φ = 6721008.

The previous prime is 8401259. The next prime is 8401273. The reversal of 8401265 is 5621048.

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 4145296 + 4255969 = 2036^2 + 2063^2 .

It is a cyclic number.

It is not a de Polignac number, because 8401265 - 2⁶ = 8401201 is a prime.

It is a Duffinian 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, 840122 + ... + 840131.

It is an arithmetic number, because the mean of its divisors is an integer number (2520381).

Almost surely, 2^8401265 is an apocalyptic number.

It is an amenable number.

8401265 is a deficient number, since it is larger than the sum of its proper divisors (1680259).

8401265 is a wasteful number, since it uses less digits than its factorization.

8401265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680258.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 8401265 is about 2898.4935742554. The cubic root of 8401265 is about 203.2894751475.

The spelling of 8401265 in words is "eight million, four hundred one thousand, two hundred sixty-five".