771265 has 16 divisors (see below), whose sum is σ = 1039680. Its totient is φ = 544320.

The previous prime is 771233. The next prime is 771269. The reversal of 771265 is 562177.

It is not a de Polignac number, because 771265 - 2⁵ = 771233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (771269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1846 + ... + 2224.

It is an arithmetic number, because the mean of its divisors is an integer number (64980).

2⁷⁷¹²⁶⁵ is an apocalyptic number.

It is an amenable number.

771265 is a deficient number, since it is larger than the sum of its proper divisors (268415).

771265 is a wasteful number, since it uses less digits than its factorization.

771265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 2940, while the sum is 28.

The square root of 771265 is about 878.2169435851. The cubic root of 771265 is about 91.7067299624.

It can be divided in two parts, 7712 and 65, that added together give a palindrome (7777).

The spelling of 771265 in words is "seven hundred seventy-one thousand, two hundred sixty-five".