775253 has 4 divisors (see below), whose sum is σ = 777228. Its totient is φ = 773280.

The previous prime is 775241. The next prime is 775259. The reversal of 775253 is 352577.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352577 = 79 ⋅4463.

It can be written as a sum of positive squares in 2 ways, for example, as 485809 + 289444 = 697^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 775253 - 2⁴ = 775237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775259) 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, 176 + ... + 1257.

It is an arithmetic number, because the mean of its divisors is an integer number (194307).

2⁷⁷⁵²⁵³ is an apocalyptic number.

It is an amenable number.

775253 is a deficient number, since it is larger than the sum of its proper divisors (1975).

775253 is a wasteful number, since it uses less digits than its factorization.

775253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974.

The product of its digits is 7350, while the sum is 29.

The square root of 775253 is about 880.4845257016. The cubic root of 775253 is about 91.8645217661.

The spelling of 775253 in words is "seven hundred seventy-five thousand, two hundred fifty-three".