2252531 has 4 divisors (see below), whose sum is σ = 2256552. Its totient is φ = 2248512.

The previous prime is 2252519. The next prime is 2252539. The reversal of 2252531 is 1352522.

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 2252531 - 2¹⁰ = 2251507 is a prime.

It is a super-2 number, since 2×2252531² = 10147791811922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001 + ... + 2346.

It is an arithmetic number, because the mean of its divisors is an integer number (564138).

2^2252531 is an apocalyptic number.

2252531 is a deficient number, since it is larger than the sum of its proper divisors (4021).

2252531 is an equidigital number, since it uses as much as digits as its factorization.

2252531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020.

The product of its digits is 600, while the sum is 20.

The square root of 2252531 is about 1500.8434295422. The cubic root of 2252531 is about 131.0861853464.

Subtracting from 2252531 its reverse (1352522), we obtain a palindrome (900009).

The spelling of 2252531 in words is "two million, two hundred fifty-two thousand, five hundred thirty-one".