2252543531 has 4 divisors (see below), whose sum is σ = 2574335472. Its totient is φ = 1930751592.

The previous prime is 2252543509. The next prime is 2252543539. The reversal of 2252543531 is 1353452522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1353452522 = 2 ⋅676726261.

It is not a de Polignac number, because 2252543531 - 2⁶ = 2252543467 is a prime.

It is a super-2 number, since 2×2252543531² = 10147904718099895922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2252543539) 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, 160895960 + ... + 160895973.

It is an arithmetic number, because the mean of its divisors is an integer number (643583868).

Almost surely, 2^2252543531 is an apocalyptic number.

2252543531 is a deficient number, since it is larger than the sum of its proper divisors (321791941).

2252543531 is an equidigital number, since it uses as much as digits as its factorization.

2252543531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321791940.

The product of its digits is 36000, while the sum is 32.

The square root of 2252543531 is about 47460.9685004426. The cubic root of 2252543531 is about 1310.8642842675.

The spelling of 2252543531 in words is "two billion, two hundred fifty-two million, five hundred forty-three thousand, five hundred thirty-one".