766253 has 4 divisors (see below), whose sum is σ = 773148. Its totient is φ = 759360.

The previous prime is 766247. The next prime is 766261. The reversal of 766253 is 352667.

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 131044 + 635209 = 362^2 + 797^2 .

It is not a de Polignac number, because 766253 - 2⁴ = 766237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278 + ... + 3503.

It is an arithmetic number, because the mean of its divisors is an integer number (193287).

2⁷⁶⁶²⁵³ is an apocalyptic number.

It is an amenable number.

766253 is a deficient number, since it is larger than the sum of its proper divisors (6895).

766253 is a wasteful number, since it uses less digits than its factorization.

766253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6894.

The product of its digits is 7560, while the sum is 29.

The square root of 766253 is about 875.3587835853. The cubic root of 766253 is about 91.5076486385.

The spelling of 766253 in words is "seven hundred sixty-six thousand, two hundred fifty-three".