755231 has 4 divisors (see below), whose sum is σ = 795000. Its totient is φ = 715464.

The previous prime is 755213. The next prime is 755233. The reversal of 755231 is 132557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132557 = 71 ⋅1867.

It is not a de Polignac number, because 755231 - 2¹⁰ = 754207 is a prime.

It is a super-2 number, since 2×755231² = 1140747726722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 755197 and 755206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755233) 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, 19856 + ... + 19893.

It is an arithmetic number, because the mean of its divisors is an integer number (198750).

2⁷⁵⁵²³¹ is an apocalyptic number.

755231 is a deficient number, since it is larger than the sum of its proper divisors (39769).

755231 is a wasteful number, since it uses less digits than its factorization.

755231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39768.

The product of its digits is 1050, while the sum is 23.

The square root of 755231 is about 869.0402752462. The cubic root of 755231 is about 91.0667706228.

Adding to 755231 its reverse (132557), we get a palindrome (887788).

The spelling of 755231 in words is "seven hundred fifty-five thousand, two hundred thirty-one".