It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1825472513 = 79 ⋅23107247.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3152745281 is a prime.
It is a Duffinian number.
Almost surely, 23152745281 is an apocalyptic number.
It is an amenable number.
3152745281 is an equidigital number, since it uses as much as digits as its factorization.
3152745281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 450392190.
The square root of 3152745281 is about 56149.3123822545. The cubic root of 3152745281 is about 1466.3229370516.
The spelling of 3152745281 in words is "three billion, one hundred fifty-two million, seven hundred forty-five thousand, two hundred eighty-one".