2757231 has 6 divisors (see below), whose sum is σ = 3982680. Its totient is φ = 1838148.

The previous prime is 2757229. The next prime is 2757257. The reversal of 2757231 is 1327572.

2757231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2757231 - 2¹ = 2757229 is a prime.

It is a super-2 number, since 2×2757231² = 15204645574722, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2757195 and 2757204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2757211) 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 5 ways as a sum of consecutive naturals, for example, 153171 + ... + 153188.

It is an arithmetic number, because the mean of its divisors is an integer number (663780).

2^2757231 is an apocalyptic number.

2757231 is a deficient number, since it is larger than the sum of its proper divisors (1225449).

2757231 is a wasteful number, since it uses less digits than its factorization.

2757231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306365 (or 306362 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 2757231 is about 1660.4911923886. The cubic root of 2757231 is about 140.2246563107.

The spelling of 2757231 in words is "two million, seven hundred fifty-seven thousand, two hundred thirty-one".