2531327 has 4 divisors (see below), whose sum is σ = 2569176. Its totient is φ = 2493480.

The previous prime is 2531293. The next prime is 2531369. The reversal of 2531327 is 7231352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2531327 - 2¹⁴ = 2514943 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18824 + ... + 18957.

It is an arithmetic number, because the mean of its divisors is an integer number (642294).

2^2531327 is an apocalyptic number.

2531327 is a deficient number, since it is larger than the sum of its proper divisors (37849).

2531327 is an equidigital number, since it uses as much as digits as its factorization.

2531327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37848.

The product of its digits is 1260, while the sum is 23.

The square root of 2531327 is about 1591.0144562511. The cubic root of 2531327 is about 136.2854263574.

Adding to 2531327 its reverse (7231352), we get a palindrome (9762679).

The spelling of 2531327 in words is "two million, five hundred thirty-one thousand, three hundred twenty-seven".