3452523281 has 4 divisors (see below), whose sum is σ = 3453140964. Its totient is φ = 3451905600.

The previous prime is 3452523259. The next prime is 3452523293. The reversal of 3452523281 is 1823252543.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1882778881 + 1569744400 = 43391^2 + 39620^2 .

It is a cyclic number.

It is not a de Polignac number, because 3452523281 - 2¹⁰ = 3452522257 is a prime.

It is a super-2 number, since 2×3452523281² = 23839834011694009922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3452523211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300380 + ... + 311661.

It is an arithmetic number, because the mean of its divisors is an integer number (863285241).

Almost surely, 2^3452523281 is an apocalyptic number.

It is an amenable number.

3452523281 is a deficient number, since it is larger than the sum of its proper divisors (617683).

3452523281 is an equidigital number, since it uses as much as digits as its factorization.

3452523281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617682.

The product of its digits is 57600, while the sum is 35.

The square root of 3452523281 is about 58758.1762906236. The cubic root of 3452523281 is about 1511.3981000176.

The spelling of 3452523281 in words is "three billion, four hundred fifty-two million, five hundred twenty-three thousand, two hundred eighty-one".