2553231 has 8 divisors (see below), whose sum is σ = 3452544. Its totient is φ = 1678040.

The previous prime is 2553227. The next prime is 2553233. The reversal of 2553231 is 1323552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2553231 - 2² = 2553227 is a prime.

It is a super-2 number, since 2×2553231² = 13037977078722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁵ + 5⁵ + 5⁹ + 3 + 2¹⁵ + 3¹² + 1 .

2553231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2553198 and 2553207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5781 + ... + 6206.

It is an arithmetic number, because the mean of its divisors is an integer number (431568).

2^2553231 is an apocalyptic number.

2553231 is a deficient number, since it is larger than the sum of its proper divisors (899313).

2553231 is a wasteful number, since it uses less digits than its factorization.

2553231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12061.

The product of its digits is 900, while the sum is 21.

The square root of 2553231 is about 1597.8832873524. The cubic root of 2553231 is about 136.6773981923.

Adding to 2553231 its reverse (1323552), we get a palindrome (3876783).

It can be divided in two parts, 255 and 3231, that added together give a triangular number (3486 = T₈₃).

The spelling of 2553231 in words is "two million, five hundred fifty-three thousand, two hundred thirty-one".